And it’s how federation is supposed to work. Either you want to send your content to other instances or you don’t. But federation is the wrong tool if you want to stay alone. You can defederate and block them if you don’t like their terms.
Even without federation / specific protocols. You can just take about any sort of content on the internet pretty easily if you wanted to. Search engine crawlers do something similar, otherwise search results would just not work at all.
Not more than it is now. Everything is already public so if they need it, they’ve already been collecting it. This doesn’t really change anything.
And it’s how federation is supposed to work. Either you want to send your content to other instances or you don’t. But federation is the wrong tool if you want to stay alone. You can defederate and block them if you don’t like their terms.
Even without federation / specific protocols. You can just take about any sort of content on the internet pretty easily if you wanted to. Search engine crawlers do something similar, otherwise search results would just not work at all.