I agree in principle, though in this particular case io-ts does not tend to produce incomprehensible code. Maybe if juniors use it, it would, but it's easy to e

I agree in principle, though in this particular case io-ts does not tend to produce incomprehensible code. Maybe if juniors use it, it would, but it's easy to encapsulate the IO codecs in their own modules where the functional style of io-ts/fp-ts does not leak out to other parts of the code and only types can get reused.