Also, because their build system is closed source; my personal perspective is that if I cannot build your project, it is not "open source" I have taken some in

Also, because their build system is closed source; my personal perspective is that if I cannot build your project, it is not "open source" I have taken some inspiration from AUR (https://aur.archlinux.org/packages/brave https://aur.archlinux.org/packages/brave) and I think I got it to compile all the way through once, but that's not nearly the same as how easy it is to build -- and then run -- Firefox every day