I draw the line at sending greetings card for Firework Night!!!!
If you're party to certain religions (which I'm not) then there are obvious reasons to celebrate Christmas. If you are not, it's a good excuse to get together with your extended family, get merry, have office parties, watch some...
The point is a lot of people enjoy them, hence the fact a lot of shops sell them at this time of year and there are a lot of public displays that are well attended. Of course, as with everything in life, you don't have to go along with it. Stay indoors and shut all the windows. Now, moving...