I don’t understand the purpose of the TERMINAL variable at all. Which application uses it? I’ve already checked the bash manual for a list of shell variables it uses; TERM is on the list, not TERMINAL
Also, TERMINAL is set to xfce4-terminal even though I’ve already uninstalled xfce4-terminal
Adding TERMINAL=alacritty in my /etc/environment did not change the value of TERMINAL even after a reboot.
I also checked the following files to see if TERMINAL was set in them: