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

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.

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.