..this, followed by a simple change to require radios mandatory in CTAF's and the lightest of ultralights, powered parachutes, etc.with no possibility of radio communications, are banished from the skies. We cant have aircraft bumbling unannounced through CTAFs can we? Think of the risk to air safety! Better yet, lets require mandatory ADS-B for all aircraft!
Then of course there is the "make work" factor. Considerable staff will be required to adjudicate exemptions. The workload in doing so will be horrendous. Then consider that exemptions usually only last two years, so the cycle starts again in 2020!
To put that another way, this change is probably is going to require a "CTAF Management Section" to be created and staffed.
Yes, I know. Never attribute a conspiracy when the actions can be explained by stupidity.