Jay Honeck wrote:

entirely separate issue, and ONLY pertains to my perceptions of the
weaknesses of the FAA's concept of Class D airspace.

Unless I'm missing some USA specifics (if so, please correct me):
Class D airspace is not an FAA concept but rather an ICAO definition. It
seems to me that you should sit down and re-read the airspace
definitions. Class D: *No* separation provided for VFR flights.

Stefan