It is a symlink, but bash will automatically enable posix compliance mode if you use it. So any bash specific features will bomb out unless you explicitly reset it in the script.

I’m actually OK with QR code menus, but only when done well. It’s nice to be able to place an order and pay anytime without having to wait for a waiter to come by or have them constantly bother you.

However, I’ve run into a lot of really poorly done QR code menus that just don’t work 50% of the time.

Even with RES, I remember seeing a few years ago that Reddit does some form of obfuscation with karma. So no one really knows the true number of downvotes and upvotes.