For context: I was at a company that was trying to roll out OpenStack internally (don't do this). Lots of stuff got thrown at the wall in an attempt to find a unified provisioner, nearly all of it terrible. Thankfully my role was that of a consumer.

My recollections were that BOSH and CF exposed a ton more complexity than I wanted, and I don't remember there being a great story for deploying Rails apps. But all of these abstraction layers are just like cross-platform GUI toolkits – you're never going to approach the native look and feel or integration. And I don't like the terminology(!) it's all relatively unintuitive to me (e.g. stem cells, deployments, releases).

For contrast the Hashicorp stack for our AWS environments (tf+packer+vault) generally felt much more pleasant to deal with, and that's where the comparison to GUI toolkits falls apart I suppose.

But… look at all the integrations and enterprisey features that CF+BOSH offer. That's way more of the sort of thing that I'd expect to fit in at Salesforce.