> I can't find any evidence it does that on the maker's website.
I believe that's intentional (it would be illegal to import if it was advertised).
> What makes you think it will strip HDCP?
I've got 6 in use for lecture/talk recording without worrying about HDCP. Especially useful for presenters casting to chromecast or presenters using macbooks with DRM software (as blackmagic SDI converters don't support HDCP at all)