Why would someone "Frankenstein" EOS with other distro's repos?

[cactux]

@limotux

first time for me to hear about this “Chaotic” AUR

There is a post from @BluishHumility here about chaotic-aur:

Pamac/Octopi/Pacseek Alternatives- To AUR or Not to AUR?

I feel compelled to defend the Chaotic-AUR team because I know those guys break their backs to keep that repo in good shape. It is driven by automation as you say, but there is quite a bit of time and manual effort that goes into maintaining it as well. Users can request packages be added to the repo on the GitHub issue page (https://github.com/chaotic-aur/packages/issues), but they are not just blindly added. One of the team members looks over the PKGBUILD and determines if the package should…

TL;DR

@BluishHumility

At the end of the day, as with the regular AUR, it is ultimately up to the user to review the package and inspect the PKGBUILD to decide if they would like to install a package or not.

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So, the conclusion seems to be that, even if you can add chaotic-aur to your pacman.conf, add their key to your pacman keys, add their mirrorlist toy your pacman mirrorlist and install with sudo pacman -S whatever you need to exercise the same caution reviewing the PKGBUILDs as when you use a PKGBUILD from AUR to build and install a package.