On some level I agree. However, a huge part of what made Twitter appealing to people is precisely that it was essentially one giant instance, with sort of share

On some level I agree. However, a huge part of what made Twitter appealing to people is precisely that it was essentially one giant instance, with sort of shared culture and rules. While I think Mastodon is fine for some people, it may not have the same 'global appeal', limiting its ability to really be a Twitter replacement.