There are soooo many blogs about migrating away from Ruby, adopting Go, Scala, whatever statically typed thing.
There's a reason even Ruby is getting a proper static type system.
Its productivity is simply hard to beat.
Most of these companies are unicorns or public. https://spreecommerce.org/ruby-on-rails-most-popular-among-t...
I doubt they can be listed as a Rails success story.
Stripe doesn't use Rails either. That was a pretty bad article. And it is somehow from Spree.
Almost all the major former startups that I could find are from 2010 or earlier.