It really seems like "mental illness" has become the default crutch excuse for certain people who don't have social development skills and have no interest in developing any. This guys wasn't drunk for 8+ hours, no one was going to buy that excuse...so out came the depression card. It's pathetic and mocks those who actually suffer from that issue. Depression doesn't lead to the disgusting, cavalier behavior he initiated.
That dating video seals the deal: dude is a creepy loser. You can also tell that the dating experience he discusses is fabricated, and that the woman in the video is getting major creeper vibes from him.