You need to read
the whole thread ;-).
I did and still...
Some people cannot filter/trash based on body. Hence
the suggestion to add [stale] to the subject.
I think the need for filtering comes from the fact that we artificially and automatically "animate" the bugs that have no activity. If we stop all forms of automated changes on such bugs, then there is no need to filter them any more...
So to me, filtering is a workaround for a problem, whose root cause is that we automatically process bugs. I suggest we get rid of the root cause, unless it has demonstrated some compelling value.
Also, imagine a bug that is [stale] in title, some committers have a filter to ignore them, a contributor just comment with some interesting input, or even a Gerrit patch, bug doesn't rename the bug (why would they?), then the filters still apply and the valuable contribution and further discussion get filtered out and ignored; which is even worse than auto-closing IMO.