Totally but I also want to point out that reviewing changes is a lot easier than the first review. Ideally it has just a couple of lines changes and they are just version changes most os the time. It also does not help the existence of "pacman for AUR" that just encourages all the bad behavior, they encourage installing a lot of AUR packages without thinking twice, update without checking and to trust it or think it is the same as the maintained main repos since I think most if not all AUR packages also work as a pacman frontend.
The user was never supposed to rely on a lot of AUR packages and if you do maybe you better of with a distro that does package what you need or that the software authors package for.