I'm not sure what counts as proof, but I think it's fair to point out that comparing a bare metal server to managed cloud storage is not like for like. For exam

I'm not sure what counts as proof, but I think it's fair to point out that comparing a bare metal server to managed cloud storage is not like for like. For example, Google cloud storage offers automatic migration of cold data to tape, replication across regions allowing fast recovery in case of a failure, durability guarantees etc. If that's not something you need then you could definitely save yourself a lot of money, but if you need to build some of that stuff out (and then monitor it, improve perf, upgrade when new drives come out, be on call for down time etc.) Then the cost comparison becomes less clear.