I don't know if it's 'most' but there's plenty of large private-cloud B2B setups offering vm-as-a-service / esxi-as-a-service or something frontended by vmware

I don't know if it's 'most' but there's plenty of large private-cloud B2B setups offering vm-as-a-service / esxi-as-a-service or something frontended by vmware cloud director. Definitely to the tune of billions of annual revenue worldwide.