Because having a clarifier adjust both RX and TX is dumb.
What ?
My daily driver is a Kenwood TS-830. It has a "clarifier" a big one, right in the middle of the face, can't miss it.
I do have options for XIT and RIT as well .
Okay I've had my fun now to be serious. Having a clarifier adjust both RX and TX is dumb? Fixing the TX on a class D part 95 radio I'm sure had some rational reason at the time but it was the Federal Clown Commission so who knows. Fixed TX and variable RX fine tuning works great , as you say , between TWO stations. Add a THIRD station with yet a different TX frequency and it all goes to krap. Add a fourth and ....
This is one of the pitfalls of channelized operation with fixed TX and Receive Incremental Tuning.
I understand the FCC's reticence toward turning VFO's loose on 11m as when it was originally acquired from the amateur service it was first channelized and then there were remote control frequencies between channel 3&4 , 7&8, 11&12, 15&16 and 19&20. What is forgotten is that the space between 22&23 held two more aux or RC channels as well . This is why in frequency order its channel 22 , 24 , 25, 23. Uncle Chuck didn't want to waste the space. So I can see why Uncle Chuck didn't want to turn VFO's loose on 11m.
Just some observations
why 23 channels ?
why then 40 channels with the above odd "map"?
Why wasn't 27.000 to 27.500 allocated?
or
Why wasn't 27.1 channel one?
Wilma or Betty?
Ginger or Mary Anne?
Lucy or Ethel?
inquiring minds want to know !