When it didn't crash or have you fall through a wall, or glitch in one of a hundred other annoying ways, it was very fun. I would actually say it allowed greater freedom than Morrowind. Everything, except for the main quest dungeons and towns, was randomly generated. Plus the area was huge and you had to use the auto travel feature or you would spend literal days getting to places.
I wasn't allowed to go into the temples though or take off all of my character's clothes. PIXILATED NUDITY OOH NO! It was more adult oriented than Morrowind.