You know, when you're ill you get to appreciate when you're healty. When you're sad you get to like happiness a lot more.
When you watch a piece of shit movie, you get to appreciate and love good ones a whole lot more.
Besides, I love watching movies, it's a passion for me. I read quite a lot comics too and I watched all super hero movies despite of them being total crap in 99% of the cases. Sometimes I need a stupid movie/popcorn movie to relax my brain.