@contrex,
My wife is Headteacher of an inner city school which has a 75% muslim intake, and they absolutely love everything about our traditional Christmas in the UK.
Mind you, our UK Christmases have very little to do with religion, but we do love our twinkly lights, cheesy bobsleigh songs, shopping, presents, overeating and long wintry visits to the pub, so what's not to like?
We all call it a Christmas tree, as it has always been called that for as long as all us living Brits have lived in the UK, so I'm not about to rename it because it happened to have anothet title or meaning some hundred and fifty or so years ago, before Albert lifted Victoria's underskirts then brought his dastardly German customs over here.
We also bring holly and ivy (and mistletoe) into the house, as a nod to our distant past, but the Christmas tree will always be the Christmas tree, even for the non Christian Brits.
Footnote: My wife's Deputy Head is a young(ish) Sikh, and he goes mad about Christmas, as does his entire family and the rest of his Sikh community.
They rate it almost as highly as diwali in their calendar, and really go to town on house decorations, fireworks and stocking up the cupboards with booze. I have learned over the past few years that Sikhs like to party as much as, and probably more so, than us Brits.