To give you the other side of this, I have had service providers obviously do this to us. It didn’t result in more billable hours at renewal. We just systematically moved teams leadership to a competitor - we have found that mixing companies of origin in teams keeps everyone more honest - and removed developers we thought were not meeting the productivity standard we were looking for.
Cheating your customer is a dangerous game. They are not dumb.
It’s not that we were inefficient, we got some 80+ tools to support without any knowledge transfer or documentation. We got regular issues, and I was digging to find the root cause and solve them for which apparently we weren’t paid.
Cheating your customer is a dangerous game. They are not dumb.