You're hugely misreading my intentions. I'm an engineer: I see something unexpected, I want to figure out what's happening. You and I are both using the same software and you're seeing problems that I didn't even know affected some people. I'm not saying "this works for me so I don't know what you're complaining about". I'm saying "huh, this works for me. I wonder what's different between our systems? Is this something that's going to spontaneously start affecting me if I click the wrong toggle somewhere?"

Obviously the problem is possible. It's happening to you. I'd like to find out why so that I can troubleshoot and fix the problem if it starts happening to me or my friends or coworkers. And really, I'd like to help you fix it, too, if I could figure out what's causing it.

Because if they can’t reproduce, then much more likely than not, the problem is not inherent to the platform. In this case, there’s probably a deviation in config settings.

Additionally if they can’t reproduce, they can’t offer any advice or help.

It’s highly unlikely that MacOS behaves specially for your existence.

The latest time I had a Homebrew package fail to install, due to security restrictions that work just fine for the other thousands of packages there, it was the package trying to do something it shouldn’t have, and was promptly fixed. You may have run into a similar scenario.

I've been having issues with non-cask Homebrew packages getting blocked by some Gatekeeper/SIP related watchdog on my new M1 system. Stuff would just get insta-killed at load. Anyway, it seems to have been sorted now, and through identifying which packages were having the issue in Console and reinstalling them, I've resolved the issues.

Even more specifically, the only time I’ve ran into Gatekeeper is with apps that install into /Applications and have a GUI. I’ve never had this issue with stuff I only access via CLI.