1. How am I supposed to know that they are similar to Disaster Movie if I've never seen or heard of them?
2. How am I supposed to know that they are spoof films if I've never heard of them or seen them?
3. What do you not get about the fundamental point that I don't know whether a film is rubbish or not until I've seen it?
4. Precisely.
5. I was only comparing Disaster Movie with 5 completely different films in exactly the same way that the previous person did. The whole point I was making is that it is not logical to say that "Films A, B, C, D and E were rubbish, therefore film X will also be rubbish" just as it is not logical to say that "Films A, B, C, D and E were excellent, therefore film X will also be excellent".