I use it since today, and I'm very impressed. I work for a financial startups, with old fashioned non-tech guys who works only on excel. Xlwings sove me from VBA programmation for my algorithms ...
Finance is not just trading. When you start a company, you need funds. When you buy a new car, you need loans. When you care of your future, you need placements for your saving. Fintech startups break the financial monopoly to bring humanity in finance. Technology makes your online loan application cheaper, faster and more transparent than a bank loan application. You have no fees on your placements whith new assets managers.
So, stop to be blind, fintech is real stuff and has a huge place in our life.
Like Arthur Fry who create the Post-It at 3M, the best way to have your innovative ideas improved by colleagues is to make your idea real with a prototype, mock-up or the simpliest feature.