No Hulu content showing Dolby Vision or even HDR despite Disney+ showing Dolby Vision on Apple TV

I've checked a dozen recent shows/movies on Hulu, and have even searched for specific content that has Dolby Vision. But, nothing on Hulu shows the Dolby Vision or even HDR logos above the title. On Disney+, Disney+ content shows Dolby Vision and Dolby Atmos (if the content has it) but Hulu content on Disney+ does not show DV or DA or HDR