In no particular order and, obviously, omitting many other reasons.
1. Goth music flourishes - a funeral dirge for the death of punk (don't argue this please)
2. Drum hits with plenty of reverb!
3. Everyone goes crazy with the synthesizer
4. I was born on February 21st 1980
5.
John Hughes makes a plethora of great movies including
The Breakfast Club6. Cock rock
7. U2
8. The KLF
9. The cause of retro night at the St. James (RIP)
10. 80's cartoons - especially Dungeon & Dragons