Wow thanks! I didn't understand that despite being able to read and write Japanese! Sarcasm aside you don't seem to have a very deep understanding so maybe you should be a bit nicer when expressing your opinion.
> 1 kana represents 1 syllable
ちゅ <-- 2 kana, 1 syllable
> BY DEFINITION, more concise than Latin letters
smash <-- 1 syllable, 5 latin letters, ~3 kana in length
スマッシュ <-- 5 kana
Do you understand than 1 kana represents 1 syllable? They are BY DEFINITION, more concise than Latin letters.