firefox is fine as browsers go. they've had some missteps recently with some unpopular decisions surrounding ads. brave has some controversies surrounding cryptocurrency and affiliate url links, as well as being chromium based. if those things bother you, and you are adverse to the ad issues, you could go with a fork of firefox, like librewolf.

you might communicate to your surgeon that you'd like to discuss this with your anesthesiologist, and come to an agreement that they make doubly sure that you don't respond to commands before they administer the drug that paralyzes you, to reduce the chance that this happens. unfortunately, there's no good way to know whether you have any complications with anaesthetic until you've gone under.

people make mistakes, just gotta scrape the egg off and make an omelette or something.

lemm.ee is actually blocking threads, lemme.ee/instances

It could be that you have too many other apps in the background, and Android is essentially freeing up memory for other processes. If you have too many tabs open this could also occur. You could also have your battery saving options too aggressive, which also clears data from background apps. I'd look up something like "how to keep Android from stopping apps in the background" or something similar.

no one is preventing people who have facebook or instagram accounts from joining the fediverse by blocking meta. what they are doing, is preemptively taking action to ensure an immoral company doesn't do exactly what it has shown itself to be in it's nature to do.