Why is the double negation not an issue in the Italian language?

Question

Why is the double negation not an issue in the Italian language?I ask because I heard that in English you cannot say "non guardo mai la televisione", but you have to say "I never watch at television", which translated word by word is "Io mai guardo la televisione", thus removing one negation.

Answer 1

Just because. The explanation lays on the matrix of the language.

You say "Hai mai studiato italiano? No, non ho mai studiato italiano". The same is true in French "As-tu déjà étudié l'italien? Non, je n'ai jamais étudié l'italien.

So, reversing the question, why in English is not like that?