It's a pretty simple task. This is supposed to be a satire of progressive rock and its fans, simply add as many points as you wish. But please, keep it clean. (Kudos for the most inventive responses)
I'll start off
1. All the Girls
2. Flute Solos
3. It just keeps on going... and going
4. Painfully Complex Time Signatures
5. Pretension
6. You have a reason not to like Phil Collins
7. Because 80 minute albums aren't going to listen to themselves
8. You know J.R.R. Tolkien would approve
9. All the Dream Theater Polls
10. Pink Floyd made you appreciate dogs on vocals
11. Because how many Gentle Giant fanboys do you see?
12. Steven Wilson told you so
13. Nostalgic 70's clothing
14. Incomprehensible lyrical themes
15. Drugs, and plenty of them
16. Sweet band names
17. Someone has to listen to Jazz Fusion
18. Frank Zappa's salient advice
19. Bass is the new lead guitar
20. Paying extortionately high prices for rare LP's