As it stands, on Steam, I see that out of 25 curators:
12 recommended (good)
11 informational (neutral)
2 not recommended (bad)
If I weight it with 2-1-0 scores, then it is 35/50, which makes 70%
edit:
I checked civ6: out of ca. 1000 curators, ca. 90 is "not recommended" - same proportion!