For both Christianity and Islam its all about turf war, money, politics and control. That’s all.
LOL, would this mean removing the Christmas Tree from Christmas because its a pagan symbol? Or would the “christianisation” only apply with respect to other local traditions? If they want, they could even start an idiot’s campaign to rename the days of the week. After all, the names of the days are an homage to Thor, Saturn and the other gods.