AM I think you jump to conclusions based on 2 false assumptions:
- spoofs go viral, because people hope it's better than the real thing
- spoofs get likes, because people think it's better than the real thing
2 major factors are left out of your equation:
- curiousity: fans are curious, even about fake trailers
- humor: fans can have humor about the subject of their fan-focus (I had to make up a word, there must be a better one
)
The George Lucas version goes viral, because people are curious and people like it for vairous reasons:
- it's a hilarious reference to how George upgrade the old series by adding more and more stuff on screen
- they like the creativity and humor the maker put in it
- they indeed hoped George Lucas would have directed it (which will likely be a minority, I believe.)
- people think it's funny how it got all crowded on screen (without knowing the history of the 'upgrades')
- they just like it, because they like Star Wars stuff
- many more reasons