“Did she ask for an iPad?
And do you really not know a florist placeholder card is not the same as an actual birthday card?
I've heard of Disney parents - you appear to be a Disney Daughter.
It feels like you've set this up - you buy her lavish gifts that aren't even presented to her on her own birthday and don't send a card even though you know that cards are important to her.
You then get to bluster "but but but I've bought her a IPAD!!! FFS an IPAD I SPENT SO MUCH MONEY AND SHE"S SO UNGRATEFUL"
She didn't seem to want an iPad - she wanted a card.
Interestingly, you have only been responding to the people who are expressing empathy to your Mum - it makes a change from posters who only acknowledge the people who agree with them!
But you seem desperate to tell the posters who care calling you out why they are wrong!
An earlier poster called it for me - you don't just want to be right - you want her to be wrong.
You sound entrenched in some warped emotional battle war against your Mother and the card issue is your battle.
I feel for her - from her POV you :
moved into her home for three nights a week purely for your own convenience, which is a massive thing - think about the threads on here where MIL have moved in or asked to and the barrage of "nooooos!" that follow.
No difference in you moving into her space for half the week - you haven't mentioned rent or board?
You barrack her, in her own home, to the extent of getting a ruler to measure the dishwasher - which is kind of intimidating and aggressive for any adult let alone a 75-year-old tbh.
You've invaded her personal space and gone though her stuff under the guise of tidying/helping - and then turned that into an upsetting drama.
You've chosen not to send her a card - the one thing you know should would have valued and cast yourself as the victim by creating a smokescreen of luxurious gifts - that's manipulative.
These are all signs of bloody-mindedness, refusal to accept wrong doing and apologise ( and no a passive -aggressive "sorry" on the card doesn't count, as well you know -, ditto Mother's Day card).
Just think, this is how your son - or his partner - will be talking about you - or "the Mother" as they'll in no doubt refer to you.
Maybe you should look into counselling to help you figure out why you are like this?”
Utter, utter insanity.