Here is a khutbah by Abu Uwais Abdullah Ali (rahimahullah Ta'ala), in his unique style, where he explains many of the issues related to this celebration and its evils.
It has been digitally edited before being posted below, walhamdulillah.
Further benefit: Christmas Celebrations, Imitating the Unbelievers and Preserving Your Islamic Identity
Abu Hurairah (رضي الله عنه) narrated that the Prophet ﷺ said: "Whoever invites to guidance will be rewarded like those who follow him in the guidance are rewarded, and that will not decrease the reward of those who have followed him." [Collected by Imām Muslim]
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