Simple. Just add a reason in the thread before locking a post.
It doesn’t look good, it’s like we’re being silenced.
We may jump into conclusions about why the post was locked without a reason. (Ex. No one asked for the post to get locked then some mod/staff member locked it out of nowhere so the community would think otherwise that it got locked for an unreasonable reason.)
So the community will know if further discussion would be needed or not.
here's some examples of posts that got locked out of nowhere and may be interpreted in an another way