It's his continuation of his last (unsuccessful) quest of winning in sports gambling. This was his previous attempt: https://bitcointalk.org/index.php?topic=1022870.0

I did not followed it but I know it didn't went well as the title was changed from " Let's make a few dollars together" to "Let's lose a few dollars together"   And the colored posts I think is due to the trauma from losing a lot of money j/k  , I think it's just for a bit of fun.