"Since you ask, Dr. Bill, t'aint nuttin' wrong with a schwa. Thoe who make apoint of not
using it tend to come across as pretentiously pedantic. "

What I don't like about the "schwa" is that it is often used in place of the printed vowel, out of laziness in speaking, in a way that obscures etymology.

The is an old and honorable dictum that two wrongs don't make a right. In language, however, a thousand wrongs do make a right, regrettably.

I admire the pedants more than the slobs.