That s right but it s not new Old Chinese texts never used punctuation marks and Chinese people read them just fine
Why putting a useless dot when you can just start a new sentence with an upper case letter We don t need question mark in English either Why use it
It s already been happening in programming languages too Some arcane languages use parenthesis and some arcane languages use semicolon Hey new languages use white spaces and that s enough
One last point from the article All those punctuation marks should be used for useful meanings
Be gone.