Note that once you have virtual machines, those other things can be provided using that same virtual machine interface. Layering and standards are really useful. Spin up your own storage cluster? if you want...pay a managed service from a third party on the same cloud? whatever makes sense to you. I find it appalling that because money was so cheap, people got used to just throwing it at the hyperscalers 'rich offerings', and now we have multiple generations of people that think RDS is some magic box that would take billions in investment to replicate.