[stonemetal]

They doodle Christmas, saint Valentine's day, and all saints eve every year. Easter is the only commercialized Christian holiday they don't cover every year.

[beedogs]

Such a shame that Google chose to offend a bunch of people with nothing better to do than be offended.

[nostrademons]

Christmas usually isn't "Christmas", it's a generic holidays-themed doodle:

http://www.google.com/doodles/search?query=christmas

[jlgreco]

It is likely not a coincidence that it is also the least secularized of those.