Reaction-Based Achievement Rules Not Working Correctly

[Bot]

I have a Rule set in my community that hands out a particular Achievement Badge whenever a user receives a negative Reaction on their content:

I have the negative Reaction ("Bad Quality Post") listed here:

It is the only Reaction I have on my community that hands out a negative rep (all others are either positive or neutral).

However, some users have been receiving this 'Tough Crowd' badge incorrectly, for random Reactions:

Any idea what could be causing it?

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