Jesus Christ 🤦♂️
The entire point of federation is you can't.
Go post your uneducated meta circle jerk hate back on Reddit.
Would be pretty trivial to set it up as a non profit for anyone looking to seriously raise money but support community values.
It's made up bullshit. It's a pain to run email because most services require quite a few dns and other records set, as well as making sure you aren't spamming from it. You can run an email server if you have yourself all day.