Also, Unhook for removing suggestions/comments/etc from Youtube, you can basically turn everything off until it becomes a search bar and your subscriptions.
Get a good website blocking browser extension. Remove anything that resembles a "recommendation" or avoid it like the plague.
I think we need to stop listening to billionaires. The article is well thought out and well written, but his perspective is entirely biased by never having to think about money at all... all of this stuff is incredibly expensive.