People think that because you can build a Spotify clone with two sticks and a heroku subscription it must not need a lot of people to work on. It’s what Elon said about Twitter prior to buying it and gutting all the features.

These apps are first and foremost businesses with legal, HR, and all sorts of other roles before you get to product. And the products are so mature, so complex, that you need dozens of teams to cover the entire thing