The ad hominem criticism is irrelevant. The communities should be removed or not removed based on the server’s policies regardless of who first raised the question.

I found that to be pretty insightful.

I completely agree with the analysis that the ability to search is in tension with privacy and a guarantee that posts will be forgotten. Allowing individual posts to declare how they should be shared is a good idea.

A swappable battery. I could buy a few batteries and never be out of power. I could replace the battery on an older phone without pretty much having to replace the phone itself.