So the FBI had your server, #Kolektiva
and has all your user data.
"The new Guidelines explicitly authorize the surveillance and infiltration of peaceful advocacy groups in advance of demonstrations..."
https://www.eff.org/deeplinks/2021/07/should-congress-close-fbis-backdoor-spying-american-communications-yes
It only takes a few seconds for the #FBI to install a firmware-based back door, that will persistent through re-installation of the entire system.
"just change your password, it's okay"
Did you fail to read any of the Snowden docs? NSA -> FBI is routine, thanks to Bush.