2. What's wrong with celebrating Diwali?
3. Why should anyone care? Did anyone stop you from celebrating Christmas with your friends and family?
P.s. according to your post history you have based anti capitalist positioning on the pointlessness of most white collar labor, what happened to make you participate on the wrong side in a meaningless culture war that's just a distraction from the reduction in material conditions of the working class?
Also that is quite an overreach on basic observations that are generally agreed upon and weren't anti-capitalist.
Tell me you seriously didn't notice this.
Shops will do whatever makes them profit, they are not strictly run by the government.
A fair number of my family are teachers so check your facts before trying your lazy assertions.
3. Why should anyone care?
Most neoliberals (your entire political class) would vehemently disagree with the idea that the labor market is as high as 30% inefficiency, least of all in white collar jobs. That's not how they believe capitalism works. In their fantasy, pointless jobs can't exist, or at least not at such a high volume, since the invisible hand of the market would eliminate them.
You are of course right and they are wrong but my point is not many would agree with us.