NIH syndrome isn't sustainable, unless you're like Google and have more money than sense.

> These systems need to be open and owned by us. Managed is okay, but they shouldn't be proprietary offerings.

You could say this about all software in the world, but good luck with that... people who make money off of making things and selling things are going to keep doing so in non-open ways, because it's advantageous. And customers will keep buying them, because it's better than the alternative.