IMHO: Companies that make a profit are in php and rails (rarely in python). Companies that do not make a profit or have no intention to are in elixir, rust, typescript, go and node. I don't think this has anything to do with the language used - it's the attitude of the founders: "let's use easy boring tech"- that type of thinking extends into the business. The founders are focused on solving a business problem - not some hipster js framework. I don't want to code php, but after year 20 i am confident there is no escape.