If someone gives me a weird, unusual input that is often wrong, they know is often wrong, I know is often wrong and they don't even try to explain why on this c

If someone gives me a weird, unusual input that is often wrong, they know is often wrong, I know is often wrong and they don't even try to explain why on this case the input is valid, I'll definitely roll with "they're a moron". Not explaining is just playing games at that point... Like morons do.