[vladimir929]

TL;DR you cannot attribute this rock art to mushrooms.

Rock art specialists will say that interpreting rock art is extremely hard and should be done with caution.

When even the foremost experts have been completely wrong when taking their interpretations of rock art to the indigenous peoples that had their meanings passed down.

[JetAlone]

There's absolutely some eisegesis going on. The shroomer story is sexy, also politically convenient.