Speaking of the banking sector, I doubt the server is what's slowing things down.
> that we could not implement on our own without having a very high headcount and associated bureaucracy
Thus, I rather they fix the real problem than outsourcing 1/2 of it. Without the servers the problem is still there - in DevOps, development, etc.
> that we could not implement on our own without having a very high headcount and associated bureaucracy