Not the original commenter, but:<p>1) Discovery&#x27;s huge. People discover your video if it&#x27;s on YouTube through YouTube similarity display, search, and similar. 
2) Vimeo&#x27;s still plagued with incompatibility issues. Every time I&#x27;ve done a major launch of a video on Vimeo I&#x27;ve had complaints. 
3) People are just more comfortable with YouTube.<p>Overall, as a rule of thumb as an indie filmmaker, I&#x27;d expect to get 4x the views from a YouTube release that I would from a Vimeo release.