Why all the thumbs down?

Heaps of good questions keep getting thumbed down. In a question I just read a lady offfered the kind words of condolences to someone and got a thumbs down!! So my question is: Do people really think about thumbs up and downs? Do you give them because you like the answer or just because you like your own... show more Heaps of good questions keep getting thumbed down. In a question I just read a lady offfered the kind words of condolences to someone and got a thumbs down!!

So my question is:

Do people really think about thumbs up and downs?

Do you give them because you like the answer or just because you like your own better?

Or are there just mean people on here that thinks it is funny?
Update: It does not bother me personally but I think it is pretty mean when someone lost a baby or has a big problem and another answers with really kind words and gets thumbed down!
I mean, what is wrong with people?
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