[threeseed]

No they run their entire IT. Not you.

They can easily move to the hundreds of alternative platforms which do exactly the same thing.

[plam503711]

I'm not sure you are aware about the cost of migrating from one virtualization platform to another, especially when you have 4000 VMs. I can tell you it's not exactly easy, and that's even our business now (migrating from VMware to our stack).

It's not like changing a light bulb.