Ah, I was thinking more about lock in as more of a hard technical lock in (where he talks about setting up new build systems, CI, etc) rather than a soft lock i

Ah, I was thinking more about lock in as more of a hard technical lock in (where he talks about setting up new build systems, CI, etc) rather than a soft lock in created via a lack of education & understanding, but I can see how that can happen if people just use tools without understanding what they do. That's a fair point!