My friend told me that functional languages didn't like IO, and that they used recursion instead of loops. I thought "that is fucking nuts" and stuck with C. I

My friend told me that functional languages didn't like IO, and that they used recursion instead of loops. I thought "that is fucking nuts" and stuck with C. I basically had Dunning-Kruger in my youth. Now I am a Scala programmer, often doing pure-FP with Cats...