Larry Dighera wrote:

one, nobody suggests eliminating the light guns,

Retiring the signal lights would be beneficial to the colorblind,
but devastating to the deaf.

fair enough. So someone did suggest it, bad idea nonetheless.

Perhaps you'd be good enough to point out the part of AIM 6-4-1 that
exempts a flight from receiving a clearance to land from ATC at
towered airports:

good, so you can cut and paste, we now just have to work a bit
on the reading comprehension part; now pay attention to the part
that says 'and land as soon as practicable' (for the VFR part);
do you understand what 'practicable' mean? if your first field
of choice is not 'practicable' -- for instance because it requires
a clearance that you now are unable to receive -- then pick another
one -- for instance one which is not controled, there are quite
a few to choose from. As for the flight in IFR is concerned, it
is also explained in excruciating details, try reading it again.

--Sylvain