I usually avoid the top 5 servers
You can choose a server that you find suitable from here
https://mastodonservers.net/servers/top
I agree, any fediverse servers that remain federated with Meta servers, they are helping Meta to collect your data.
Remember, the Threads app itself is a privacy nightmare.
I usually avoid the top 5 servers
You can choose a server that you find suitable from here
https://mastodonservers.net/servers/top