First — don’t fall for the name. It isn’t a photo shop. It wasn’t designed, primarily, for photographers.
Yep, I’ve watched that interview. But, I was around long before version1.0 . And I was writing code for the Amiga. And the Mac.
Adobe was/and is/ a print shop tool vendor.
speedup photoshop by using Lightroom
Photoshop is for what you couldn’t do in camera.