> No Western reader will take a peek at a webpage written in Japanese and cry "I can't understand how people speak this language".

Well not speak it, but reading it... yes. Japanese writing is like a prank that I would not believe is real... and I still doubt it.

This is a really smart guy with a gift for languages struggling with it: https://www.youtube.com/watch?v=bcdYKxHT8kY (NativLang 7m10s)

...and yet children can do it. Use that as a lesson.