Originally Posted by
BizJetJock
And it's not unusual to call one of the LARS stations and be told - if you can get a word in on the R/T at all - "unable to give you service due to high traffic density". The same problem would apply to your TIS if you made transponders mandatory; you wouldn't be able to make anything out due to the number of targets.
At least the latter would remind pilots to keep a very good lookout!