To me, it doesn't matter much whether you call it Chrismas, Yuletide or even Winterval, as long as you recognise that it's no more a Christian festival than is Easter or All Souls/ All Saints. And that neo-Pagans really (despite much research) have much more than the vaguest idea of how what and even why the archaeoPagans celebrated these feasts.

I started a sceptic carol once but ran out after the first verse:

The rain fell from a sky of grey
Above the cave where a baby lay.
No choirs of angles sang his praise,
No shepherds stood in rapt amaze.
A fallen girl, her husband old,
The inn was full, the night was cold,
The dirty straw lay on the earth
Where Mary gave her baby birth...