OTC desks are the correct answer, not “why would you want to” use a dollar. Yes, in a hypothetical world people wouldn’t use dollars as a go between, but instead use [insert theme of the decade]. In reality, we do and will for the foreseeable future.
Also, a crypto OTC desk that doesn’t ask for KYC is by almost every country’s law laundering money. So it doesn’t sidestep the core issue of this post.