Don't get me wrong RoR is great and it is definitely the fastest way to get a project out the door and in front of your users. I've just seen what happens when

Don't get me wrong RoR is great and it is definitely the fastest way to get a project out the door and in front of your users. I've just seen what happens when that project takes off and you end up with a massive monolith that you're paying through the nose to support with the biggest RDS DB available, and every change you make has a 50/50 chance of introducing a bug somewhere else in the system. Then, because of those issues, you decide to split up the monolith into microservice, but you have a bunch of RoR engineers that have been working with monoliths their entire careers so you end up with a distributed monolith that's even harder to change and requires coordinated deploys. I recognize that there are definitely ways to scale RoR well (GitHub, Shopify), but the framework is designed to get you up and running as quickly as possible so trade-offs were made in areas that