It seems like someone is being hooligan... yesterday the thread's rating was 4 and today it's 2.
I see the rating of this thread is 4. Did it really drop to 2 previously? Since the rating was 4, someone should rate 1 if it really dropped to 2. Honestly, I don't get any information about this. As far as I know, not everyone can rate a thread.
It is known that this rating system is not well implemented. Let's start with the fact that it is unclear how and who enables the rating because we only have it on certain threads. It is also straightforward to accidentally give votes, so we have seen cases where users themselves gave low rating stars for the thread they started.
There is nothing wrong with the system. I personally think the system is fine. But sure, the information about the rating may be not known by average member (common member) because they are not intended to rate a thread (no ability to rate). I guess Admin may plan for the further information about this later, just wait for that time.
By the way, if it really happened, I also assume it was just an accidentally vote.
Maybe Admin can give a clear answer so we aren't all wondering.
Yep. Just wait for the response from @admin. He is the one who has the right to explain clearly about the system.
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Sorry, I only can explain a little about the system.