I don't believe that is true, as far as I understand jsonb is a binary representation, not text. And there are certainly ways to index jsonb columns, either a f

I don't believe that is true, as far as I understand jsonb is a binary representation, not text. And there are certainly ways to index jsonb columns, either a function index on a particular jsonb expression or a GIN index so that you can perform contains (@>) queries against the whole jsonb contents.