I don't think it's just a Polish thing. Those are the same kind of idiotic people (but on the opposite side) who celebrate when there's another Islamic terror attack.
I'm not tuniscof, but I think those are 7 points for the day (3 points from MEX-POR and 4 from CMR-CHI). I know because I had similar predictions (1-1 too and 2-4 for chile).