>There seems to be a common theme of startups succeeding with dynamically typed languages, and adding static typing later. However calling the original decision

>There seems to be a common theme of startups succeeding with dynamically typed languages, and adding static typing later. However calling the original decision a "mistake" is neither fair nor accurate. People forget how old reddit is. Most good options in this space for statically compiled languages did not exist back then, so there wasn't really a decision to make. It even predates rails.