[DouglasKC]

"But since Jesus never taught His apostles to keep Christmas, ...., shouldn't that make us question whether Christmas is something Jesus really wants or appreciates?"
The logic of this line of argumentation is so laughable, that I can't believe anyone would take it seriously. To illustrate, let's substitute something else that Jesus never commanded His apostles to do:

It's perfectly logical considering that Christ created specific days that he commanded that his followers should observe. As followers of Christ...."Christians"...we should live by the example he set in the records of his life and observe the festivals he created and observed.

[Tantumergo]

"It's perfectly logical considering that Christ created specific days that he commanded that his followers should observe."

Apart from His commandment to "Do this as my memorial", where does He command that His followers should observe any of the Jewish festivals?

Do you accept the Acts of the Apostles as inspired Scripture?