To be fair, they become used to the superior image quality and performance to the extent that playing on a console becomes unfathomable.
In an ideal world, we'd have a single unified platformed that could run all games with the best possible performance and image quality, but we don't. That's just a magical dream platform which will never exist, which it seems a lot of people don't understand when they ask questions like those posed in this thread.
I won't regurgitate the points already made endlessly by other posters as to why Sony would not port their exclusives to PC, but I will link to
this thread made only 3 days ago where it is stated by Andrew House, head of Playstation:
to reinforce the importance of the Playstation ecosystem to Sony and their views on the PC as a competitor platform rather than some free-market dream that a lot of PC gamers have seemingly taken to viewing it as.