I would point out that, at least recently, the FCC seems to only care once you have stepped over the 28MHz line into 10 meter territory. I am not sure if this is because the HAMs reported it and did the investigative work for the FCC, or if the FCC has just given up on the 27.405 to 28.000 free band.
CW-
I think the 28MHz stuff is included in this chart because that is what that radio covers. It is after all a 10 meter rig that has been converted to an 11 meter freeband radio... right? Or is it a glorified CB, I always get that confused. ;-) I agree with your statements, they seem to echo the enforcement pattern I mention above. Unfortunately, some (not all) do not care and do not want to learn about the boundaries.
Switch-
The bottom line is, we go where the interesting conversation is.
Hmmmm maybe that is why you hear all those HAMs on 38LSB or 27.475?
Park-
The reason for the jump has its roots way back when the CB was created. Originally there were RC channels(remote control channels for model planes etc...) spread up the band. Some of these channels are still there and known as the "A" channels. 3A, 7A, 11A, 15A, 19A are still there, (side note: I have a Micro$oft wireless keyboard that uses 7A) but originally there where 2 more channels between 22 and 23. These were commonly referred to as 22A and 22B. When the FCC expanded from 23 to 40 channels 22A and 22B became channels 24 and 25. If you look on the chart the order of the channels really goes 22,24,25,23,26.
73
riq165