Mainly that Firefox has telemetry enabled by default and you have to go into the settings to disable it.

Because clearnet serves most of us just fine.

I really think they are not, those are all account from people who have actively signed up. Threads really is that much bigger than Mastodon, and it’s not that surprising.

People left reddit because reddit started charging for data access, and not the same people say they don’t want others to have access to their public data.