You know I'm a committed user of the fediverse, perhaps this post will surprise you. Still, at some point the truth has to be told, before lying leads to a catastrophe. I think I've been present in the fediverse (sometimes hosting a pod of some software and sometimes not) since
Of course this is not to say there are no issues with ICANN. Just ask Peter Sunde.
But it’s way more nuanced than “[DNS] is controlled by ICANN” and “a new TLD is very expensive”.