Chess clock / egg timer. If they don't decide fast enough then no action for them! You don't even need to actually do this (it would be a bit extreme in most situations), but the threat that it might happen should give them the necessary kick. Too much time deliberating? This monster just remembered it can take a legendary action on your turn!
Yeah I do. They still want to be able to sell their premium subscriptions and not every engineer working on the product is some soulless corpo. If they can break all adblockers without damaging their product they will, but if it fucks things up too much then they'll go back to the drawing board and try something else.
If you're concerned that might be about to happen you could just hold the power button until it shuts down or reboots, Android always asks for the password at boot AFAIK