The article is titled 9 simple ways to develop a routine for your baby. If you don't want a routine then don't read the article and don't have one.
That's the thing though isn't it?
Unless you are one of those insufferable pricks who thinks that YOU are the only reason your baby followed a perfect routine then you'll understand that following this advice to the letter, apart from very damaging to bf babies chances of remaining breastfed, will only result in a routine depending entirely on your baby.
Got a easy baby that goes with the flow, sleeps whenever you seem to want him to, no silent reflux etc. Good for you, this will probably work (Ds is like this)
Got a baby that turns into a banshee whenever you try to put them anywhere other than yourself for a nap and this advice is just as likely to push you over the edge possibly to depression when it doesn't work/ makes things worse.
It did with me when I had DD. I was in the doctors struggling to speak through tears wailing that I didn't understand what was going wrong, I must be a terrible mother. The doctor basically told me that that old fashioned advice was bull, it would work for those with already naturally easy babies but not for me so to just do whatever made life easier.
For the record I used to be one of those insufferably smug people. I assumed that mothers were just doing it wrong if they couldn't get their baby to sleep/feed in a routine.
Boy did DD show me 