I'm a traditional tree guy myself. When we're home in the USA (Pacific Northwest), we always get a USFS permit and cut our own. Nothing like a day in the forest picking out the perfect tree!
But I have no problem with creative substitutes for folks who live in small apartments or have no access to fresh trees. Like my wife and me now, living near Osaka in an apartment complex with about 40,000 other people.
We inherited a little plastic tree from the previous occupants and we do our best to make it look like a miniature version of our tree at home. It's not the same, of course, but it has the saving grace of its being a metaphorical representation of a traditonal metaphorical symbol of the triple miracles of birth, hope, and everlasting life.
Everybody here in Japan loves Christmas, though with absolutely no idea what it means. Which puts them in the same boat as a lot of us Americans...