Pipa, you're making several mistakes and wilfully misunderstanding other people's choices. You're erroneously assuming that the way you do things is better than other people's choices when it's merely different and you're ascribing motives to the rest of us which are reductive and inaccurate.
Do I buy presents for people at Christmas? Yes. But I also make presents and I sing carols and I bake and I decorate my home and I tell my child stories about different faiths and traditions. I make magic and honour traditions which I remember filling me with absolute magical joy as a child and I sit back and watch my child filled with similar wonderment and know that these memories will last her a lifetime. And no that gift is nothing to do with what I bought her. I bought her an alarm clock if you're insistant on ascribing meaning to gift giving and she's ruddy delighted with it. Oh and a hydrangea because she wanted one, no more no less. And there's bugger all wrong with enjoying giving and receiving gifts. It's a really simple pleasure actually.
I always wheel out my ageing mother at Christmas but this time last year she had cancer and we didn't know where we'd be and what would be happening in a year's time. And yes we've spent a year celebrating the fact that she beat the bastard thing but at Christmas, on that one day a year none of us had to work. We were all there, the world stopped. And we all came together, brothers, sisters, aunts, uncles, cousins, grandparents and we used Christmas as an excuse, not a reason, an excuse to celebrate the fact that we were together and for a day our commitments were solely to each other. Some of us bought gifts yes, but not because Saint Consumerism told us to but because we love each other and care for each other and it's a day for all of us to share. Don't be so petty minded and shallow as to assume that we don't show we love each other on every other day of the year and don't you dare judge people for joining together on a day we set aside annually and reminding ourselves of how lucky we are.
In fact, don't hold yourself up there as a paragon. You don't decide not to observe Christmas. You decide to be nasty and disparaging about other people and you make cruel assumptions and generalisations. While we're sitting around enjoying our families and celebrating in our own ways, you're choosing to be sniffy and critical of others. I know which camp I'd rather belong in.