Why aren't colons optional?

[Courageous]

>Most people complaining about those folks in an ivory tower are people who
>don't care about their language and people who are not very good in their
>language.

Curious how you inadvertently lump some famous writers into this category.
One has to wonder what your actual motivation is in making this observation.
Could it be an ad-hominem in disguise? *LOL*

C//