Arguably the "central gripe" of the article is one level higher, in which Rails has no competition in Ruby-land, and if you don't agree the architectural prefer

Arguably the "central gripe" of the article is one level higher, in which Rails has no competition in Ruby-land, and if you don't agree the architectural preferences of a few thought leaders, your only choice is to abandon not just Rails but the entire Ruby world. At least that was my takeaway.