I can also recommend Libretube or Clipious for Android

Some OSes allow per app firewall, so the easiest way would be to disable network connection for that app in the android settings.

Just as a tip: you can run every Add-on on Firefox nightly. You can add your own add-on collection and select from that. You have to go into dev mode though. Yo do taht by tapping the Firefox logo in the about section like 5-10 times. You have to have a Firefox account though. Or you could use my fairly small add-on list:

Username: 16700479 Name of the list: cookies

UBlock Origin is the name of the extension. My autocorrect messed it up ^^

Problem with that is, idcac accepts the cookies, ublock blocks the banner and thus you havent given consent and no cookies should be placed. Note that some websites might collect data regardless but there’s nothing much to do about it. ¯_ (ツ) _/¯

6 adblockers?! Have you looked into uBlock origins customisable block lists? You can combine at least 3 blockers with that. Additionally you could add custom block lists.

Edit: clarifications and spelling errors.

iirc, they already had to impelement, that you can choose the default search engine in Androids first setup.

The killer feature is cookie containers, aka no cross site tracking by default.

You’re only partly right. You example services. Of course it is not possible to own services. Piracy is only applicable to products. The point of the Twitter guy is, that companies intentionally stop selling their software etc. as products to sell you the same thing as a service, so that you cannot own it.