Yeah, there is an AUR pkg that lets you vote on AUR packages. On yaourt for example it lists how many people have used it and how many people gave a thumbs up. If you see a package that says 0 (0) then you better scan through the source before you compile it. Of course most people don't and just because it works they give it a thumbs up. It is the other extreme of debian where you have to know people to let you submit code for "future" review, and future is relative to who you know.
example: (look at mpv-git)
21 aur/mpv-bash-completion-git 8:3.3.16-1 (15) (0.83)
Bash completion for the mpv video player
22 aur/mpv-build-git v0.28.0.403.g59a04562b1-1 (26) (3.49)
Video player based on MPlayer/mplayer2 (uses statically linked ffmpeg). (GIT version)
23 aur/mpv-full 0.28.2-3 (9) (0.93)
A free, open source, and cross-platform media player (with all possible libs)
24 aur/mpv-full-git 0.28.2.r564.g11289d5238-1 (7) (0.15)
A free, open source, and cross-platform media player (git version with all possible libs)
25 aur/mpv-git 0.28.0_169_g7eb3427573-1 (183) (3.55)
Video player based on MPlayer/mplayer2 (git version)
26 aur/mpv-light 0.27.0-2 (Out of Date) (7) (0.00)
Free, open source, and cross-platform media player – with selection of features.
mpv on debian-buster/devuan-beowulf
mpv/testing,now 0.27.2-1 amd64 [installed]
video player based on MPlayer/mplayer2
since I mentioned the example in trying to compile mpv-full the pkg requires an older compiler library than the one we have so I had to link the new one
ln -s /usr/lib/libmpfr.so.6 /usr/lib/libmpfr.so.4
which you should remove after you are done