well i find the concept interesting Tex.As Tom mentioned, it you used a metal weather head on PVC that would then require it to be bonded per 250.92 which in many cases is just not practical to do.
does a before /after MBJ apply?
most would agree a mast is bonded when made to a meter
but there are masts that exist that are not made to meter, or switchgear for that matter
so what suffices then?