Yes, the mindset thing.
It seems to be a major step in the absorption into the more cultish aspects of MLM.
My OH would spend hours in the car listening to CDs she spent a fortune on (her behaviour got more secretive as I grew ever less 'supportive' - i.e. sceptical - of her FLP 'venture'.
She was also spending money she didn't have on online 'mindset trainings' with some recommended con artist guru or other.
The main effect seems to have been to drain any remaining rational & critical thought from her regarding the scam biznis (she was reasonably functional in other aspects of day to day life).
Any attempt at rational discussion of FLP became a game of MLM bingo in which I won 'House' in very little time.
Because of the secretiveness, I am not well acquainted with the finer details of the 'training', but I believe it broadly works like this:
Eager bot has been jumping through all the hoops, plastered social media with crap as directed, held countless pamper parties, stood in the corner being ignored at school fairs, alienated any friends who might have made a sympathy purchase, become a 'product of the product' and filled her home with FLP crap, but is still not making the promised gazillions- in fact, probably in the hole by a considerable amount.
Eager bot tells trusted upline that she doesn't understand why she is not succeeding. Upline tells Eager bot that she is not yet succeeding because she needs to work on herself, as this is clearly where things are not right (nothing to do with the 'business model' - look at my flash car & perfect online life and the endless plastic cheques others are achieving).
Fortunately, upline bot knows many who were faltering, but became super soaring eagles after having their mindset improved, for that is the 'secret' to success.
Equally fortunately, upline bot can recommend a range of CDs, in which world class gurus will reveal the route to success. These CDs are not cheap, and unfortunately, upline cannot just lend them to Eager bot, as the act of buying the CDs is in itself part of the path to enlightenment (investing in oneself).
Trusting Eager bot purchases the secret key to success and avidly listens to the soothing repetitive voice telling her that the only thing holding her back is negative thoughts - if she allows those in, the negativity will rub off on everything she does, and success will be impossible. She must therefore strangle at birth any doubts she may have about the biznis, cut off the negative haters holding her back by infecting her mindset, actively put a positive spin on anything that happens (e.g. it's a good thing I'm not yet at the level I was told I would be, as it will be all the better when I get there; it is a good thing that my relationships are falling apart, as it shows that I am truly dedicated and ridding myself of negative influences, it is a good thing that we cannot afford a holiday, as I have invested the money in myself and the future instead...).
Hopefully, Eager bot is now fully botted and prepared to believe anything, as to doubt would be to allow negative thoughts in, and jeopardise the inevitable success that is just around the corner. Eager bot may well at this point start spending more money she doesn't have on 'nice things', since it is positive to have nice things and will therefore attract more good things.
In order to keep Eager bot 'topped up' in this good place (for the fact she is still not making any money and doubts may creep in), helpful upline has also recommended an online mentor (by some happy coincidence, there is no shortage of them lurking in the MLM world).
This kind (£60 for a half hour session) mentor will repeatedly explain to Eager bot that there are still pockets of negativity in her mindset, and he will gradually help her expel them, over the course of a few sessions. In fact, the mentor is so keen to help Eager bot achieve success that he will continue to sell offer his services for as long as it takes to achieve success.
Just in case Eager bot gets despondent between mentoring sessions, kind mentor has set her a list of meaningless tasks to perform, to help take her mind away from negative places. It is very important that these meaningless tasks be repeated again and again for this to work. Helpfully, kind mentor has also got Eager bot getting up at stupid o'clock to listen to repetitive bollocks before the day starts, in case her rested mind might stray to negative thoughts.
It is a win-win for all involved: Eager bot is not unhappy - indeed feels positive about being fleeced, upline bot gets to milk her for a lot longer, and kind mentor has a new income line (shame about Eager bot's family and loved ones, but you can't put a price on success).