Also, the number of times in my career that I've googled a problem and seen some forum post saying "Oh, just run chmod -R 777 /var/www/wordpress/uploads/ and it'll fix that" "Great it worked thanks!" tells me that it's the blind leading the blind out there and I'm sure there's tons of forum posts telling people how to disable authentication on their MySQL and disable iptables on their server so that their PHP app can connect to the DB without a password.
Gitlab's default requirements aren't that intense, but you can make them more stringent if you want.
https://docs.gitlab.com/user/profile/user_passwords/#passwor...
I guess your goal was to allow users to have 4 character passwords, i.e. "love." which afaik you can't do.