In addition to elements of opinion-based/subjective and product recommendation  ,it's really broad, so there's plenty of justification for closing it or locking it. Really, the answer to "how do you handle patch management" is "with the following product."

And, you can't see it with your rep, but that question was locked by ChrisS one minute after someone dropped a now-deleted late answer on the question saying "I use the following product." Basically, it was dropped because it's not a good question for the reasons I opened with, and someone dropped a link-only answer that's basically spam and an answer to the question.

In addition to elements of opinion-based/subjective and product recommendation, it's really broad, so there's plenty of justification for closing it or locking it. When you get right down to it, the answer to "how do you handle patch management" is "with the following product."

And, although you can't see it with your rep, that question was locked by ChrisS shortly after someone dropped a now-deleted late answer on the question saying "I use the following product."

It seems safe to say that the question in question was locked for being a spam-magnet, which already had a couple other strikes against it.