I understand neither your objection to pilots having a chart so that they are able to see what frequency they should be on, nor making calls on Area at unmarked aerodromes, by the way.
If you remove the area frequency boundaries from the charts the frequencies would be displayed in the vicinity of the outlet.
The boundaries do not show coverage which in many locations it is not on the frequency for the area you are in, especially at low level. There is presently no coverage charts for 3000ft for example - only 5 and 10k.
Making calls on the Area Frequency is fine, but the aim is to have all low level traffic on the same frequency. With the existing boundaries there is a choice in some areas of three frequencies to use. Introducing the MULTICOM puts all the low level traffic on the same frequency. If you are low level then there is the chance that you are always "in the vicinity" of somebodies airfield. Having a common freq for low level is simple and makes sense.
And the majority of the responses to the DP supported the MULTICOM proposal.
