Slow Code wrote:
If we raise the CW speed to 20 WPM for all classes including the Tech
class, hams will tend to study the theory more while they build up their
code skill and they will understand the theory better and won't need to
ask silly questions. So increasing the speed requirement will get us
better & smarter hams.

Who is "we"?

FCC makes the rules. They're the ones who have to be convinced. For
more than 25 years, FCC has been convinced that the Amateur Radio
license exam requirements should be reduced. The changes have come a
little at a time, but the direction has been the same since the late
1970s.