This. Your users don't know or care about what stack you use as long as it solves their problem. My most profitable side projects also happened to contain the

This. Your users don't know or care about what stack you use as long as it solves their problem. My most profitable side projects also happened to contain the worst code. I think developers can be categorized into 2 types - engineers and entrepreneurs. The first type is obsessed with the programming and technology aspect of things (won't ship until the code is perfect, clean and optimized). The second type just wants to ship the damn thing, close the deal, and secure the money.