These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
He's also a regular in several other bands like Blackfield and No-Man, has performed on albums by Dream Theater, Opeth and Pendulum, just to name a few. Productive guy.
This is not even getting into his solo side projects, which aside from the obvious self-titled stuff includes Bass Communion (ambient drone music) and the Incredible Expanding Mindfuck (experimental rock). Productive doesn't even begin to cover it.
Fan Dumb: A portion of the Porcupine Tree fanbase has exhibited behaviors of this since the band went on hiatus and Steven Wilson began to focus more on his solo career. The more Wilson put time and effort into that form of output, the more those fans became convinced that the band would be splitting up for good.