Is the moderation here getting more hard-line?

I've noticed a few threads being locked over the past couple of weeks that don't seem to obviously break any rules and generated a fair amount of discussion - the latest example being a thread about using leetcode in interviews.

I think that's a valid topic of discussion and could potentially generate an interesting debate/discussion. Why was it locked?

I get that mods want to crackdown on the plethora of "How do I get into Data Science?" type threads but …

datascience line moderation