Originally Posted by BrianW

This just isn't true. Strict grammarians come and go, but languages live for centuries or millini... millenni... milen... thousands of years. The rules grammarians seek to enforce are only the rules for today, a snapshot of the language at a very specific point in time. Strictly adhering to today's rules doesn't preclude change in the future. It only standardizes today's rules so that a broader group of people can have access to effective communication.

That's a very good thing.