#Platformization / Platform Syndrome - The bane of the #OpenWeb?

So-called "#platforms" have risen a fair bit in recent years (i.e. particularly after 2017, and even including Discord, honestly, they are copying some of these negative patterns). These seem to differ a fair bit from previous services which people used to use. For starters, they try to be a one stop shop which covers everything someone might want to do, whereas previously, someone might use one tool for this, a service for this, and a service for that. Even when such platforms existed, they weren't quite so proliferant.

It also seems a lot of the problems which people complain about seems to come from this unholy concentration of services into grand big ones. It also means that you might have inaccurate PR, marketing, media bubbles around particular bigger than life companies. Also, these platform's propensity towards politicisation, including in negative ways. Also, all kinds of contexts which might work more neatly separately have a tendency of collapsing into one, this might involve "algorithms".

Frankly, different services should be logically separated. Instagram shouldn't know anything about your email provider, or your contacts. Google shouldn't only know anything about YouTube (this separation seems to have been undermined during the Google+ hubbub). Facebook shouldn't know anything about Instagram. Threads shouldn't know anything about Instagram. But, questions might have to be asked too about why single companies control so many venues.

Some people like to point to particular things, perhaps, this feature, or that feature, it seems intuitive enough, but imo this is a phantom, a shadow, it is ignoring this phenomena going on in the background. It also tends to lead to proposals which would probably be quite unpleasant for users, and even (bad) ones which aren't really compatible with liberal values.

Is there anything you think I've missed here?