https://www.techdirt.com/articles/20201216/13220445904/content-moderation-case-study-vimeo-moderates-uploads-commercial-use-videos-using-unclear-guidelines-2009.shtml

Summary: Vimeo, the video-hosting website created by CollegeHumor's parent company in 2004, has always presented itself as a destination for creators who wished to free themselves from YouTube's limitations and aggressive monetization. Vimeo remains ad-free, supporting itself with subscription fees.

Other efforts were made to distance Vimeo from YouTube. Its fairly aggressive content policy forbade plenty of things that were acceptable on Google's platform, including videos promoting commercial services.