Recall, mostly. Tho in practice it won’t help if you are on linux and someone else you talk to on say Mastodon has it activated and talking to you, everything that person reads on Mastodon you have posted will be recorded).
It’s just that they piss me off, the new leadership has passed from “slightly clueless but money hungry” to “tech bros that cannot fathom anything they suggest might be a bad thing”