That was a different situation, more like "agile". DevOps actually meant something once. There was a real idea there. But a lot of companies wanted "in" on it without actually doing it. So the meaning of the name was perverted over time, but it was one and the same name.

"Growth hacking" is more of a transplant than a matter of perverting an existing term in-place and wholesale.

Largely the line was if you could write code. In the old days it was assumed, but for much of the late 90s/early aughts, it wasn't an obligation to admin, but was for devops