Blaming every Atheist for the actions of a handful of radicals makes as much sense as blaming all religious people for the actions of westboro idiots or Islamic terrorist.
“We must picture hell as a state where everyone is perpetually concerned about his own dignity and advancement, where everyone has a grievance, and where everyone lives with the deadly serious passions of envy, self-importance, and resentment.”
― C.S. Lewis, The Screwtape Letters
Holiday tree is ridiculous.
You say "Happy Holidays" during this time period because there are a few religions that celebrate holidays during this time of the year.
The Christmas tree...is well part of the celebration of Christmas.
“Capitalism is the astounding belief that the most wickedest of men will do the most wickedest of things for the greatest good of everyone.” John Maynard Keynes