Some people have no sense of humour.
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Your original post criticized renaming a "Christmas tree" a "holiday tree". 
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Your comment was completely off topic.  It had nothing to do with Trump's disgraceful treatment of the Press, or of his inability to be a good sport.
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Furthermore, you chose to harp on a point that cannot possibly have been important to anyone but yourself: That (allegedly?) President Obama changed the name of a Christmas tree.
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Nonetheless, using your non sequitur post as a starting point, I pointed out, in what I thought was a tolerably humorous manner that, in fact, Christmas trees did not start with Christians, and that the original change in terminology centuries ago in fact represented a similar change in societal sensibilities, and that, in effect, your post was both hypocritical and shallow.
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You seem not to appreciate either historical commentary ridiculing your position, nor humour.
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No worries, though.  Lots of other readers seem to have got the joke.