Vindicators don't attack the player until the player attacks them in woodland mansions.

So I was playing in my survival world, happy that I finally found a woodland mansion, and was excited for the challenge to come. I go inside and the vindicators just  s t a r e. Sketchy stuff. They didn't attack at all until I attacked. The evokers were fine though, and caused annoyance as usual. I'm not complaining or anything, it actually benefits me, but I thought I would let you guys know about it, because i'm confident it's not supposed to happen.