Friends don't let friends tmux and root.

zsh/modules/tmux/init.zsh

@@ -5,6 +5,11 @@ if (( ! $+commands[tmux] )); then
     return 1
 fi
 
+# If running as root, stop and return.
+if [ "$EUID" -ne 0 ] ; then
+    return 0
+fi
+
 # If this this terminal meets any of these return.
 env_array=($TMUX $EMACS $VIM $INSODE_EMACS $VSCODE)
 if [[ -n $env_array ]]; then