I believe that biblical Christians considered the early epistles scripture:
2Pe 3:16 As also in all his epistles, speaking in them of these things; in which are some things hard to be understood, which they that are unlearned and unstable wrest, as they do also the other scriptures, unto their own destruction.
Peter calls Paul's epistles as scripture because he refers to "other scriptures".
Also Christ was in fact BORN that is in fact what established Christmas.
If Christmas is a meaningless exercise why did the apostles who wrote about Christ birth do so? Why waste that time in scripture?
Using that logic God would God condone any type of celebration associated with the birth of Christ? How about mixing the Islamic custom of cutting oneself in the name of celebrating the birth of Christ? How about ritualized sexual relations to celebrate the birth of Christ? Where is the ilne drawn?
That's why God sets laws for us. Look at a famous example from the old testament:
Exo 32:4 He took this from their hand, and fashioned it with a graving tool and made it into a molten calf; and they said, "This is your god, O Israel, who brought you up from the land of Egypt."
Exo 32:5 Now when Aaron saw this, he built an altar before it; and Aaron made a proclamation and said, "Tomorrow shall be a feast to the LORD."
Aaron made a representation of God and proclaimed it a feast day...a holy day. They knew the calf wasn't a live thing. It was representing the God of Israel. They wanted to hold a feast to the Lord God. Was God happy? Nope. Because it was idolatry.
It's the exact same thing as Christmas. Christmas is awash with idolotary and images meant to convey worship of the one true God. In many respects it's worse because it's become associated with greed, lust, envy and debauchery. For much of Christianity it's replaced the God Given days that he commanded.
I do not think that after thousands of years of waiting for the messiah the world would be remiss to celebrate his coming.
Like ALL protestants you take your mistranslated 1500s translations as the only word of God, and throw away the teachings of the apostles. As most 'sola-scripture' touters you insist to take 1 or 2 lines completely out of context, it is folks like you who make the bible seem inconsistent.
Do you confess your sins to the church each Sunday as Christ commands?
Do you keep women silent in your church as Paul, who speaks as commandments of God commands?
Do your women cover their heads as Paul also commands?
Yet of course you're an EXPERT on scripture.