Less of the personal attacks please, you know nothing about me. I actually think it is you that is missing context here. Don Syme personally visited and presented at a variety of investment banks. He was the creator not a marketing type. I was present at one of his pitches and met him. One bank, Credit Suisse ended up adopting it. Any comparisons he made to C# where based around readability and time to market (C# is very verbose and boilerplate heavy compared to both Python and F#). This was all on the 2010-2015 timeframe. Python ended up winning in these markets. My point has always been that this now puts it in a difficult position, it's simply not radical enough to disrupt but still carries the perceived "functional programming" barrier to entry.