Exit inside parentheses doesn't exit script

Several error conditions were resulting in a message printed and "exit"
being called, however expressions inside parentheses are executed in a
subshell; consequently the *subshell* would exit but the parent shell
continued running the script.

https://stackoverflow.com/questions/19886797/exit-inside-parentheses-doesnt-exit-script

src/arch.sh

@@ -5,7 +5,7 @@
 #DO NOT RUN THIS YOURSELF because Step 1 is it reformatting /dev/sda WITHOUT confirmation,
 #which means RIP in peace qq your data unless you've already backed up all of your drive.
 
-pacman -S --noconfirm dialog || (echo "Error at script start: Are you sure you're running this as the root user? Are you sure you have an internet connection?" && exit)
+pacman -S --noconfirm dialog || { echo "Error at script start: Are you sure you're running this as the root user? Are you sure you have an internet connection?"; exit; }
 RED='\033[0;31m'
 BLUE='\033[0;34m'
 NC='\033[0m'