There are tons of Flask/Sinatra level abstraction frameworks. They bring nothing new to the table. Stuff like auth and migrations are difficult problems, which

There are tons of Flask/Sinatra level abstraction frameworks. They bring nothing new to the table. Stuff like auth and migrations are difficult problems, which is exactly why you need a framework. Any halfway decent web dev can cobble together yet another expressjs lookalike, but there are few that can reliably build Devise type authentication solutions. Ever wondered why most build-a-blog web framework demo tutorials tend to conveniently skip user registration/auth?