Monocock:
Although I like the idea of parking your tractor on his lawn, or spending the afternoon sitting in his office,
I think a polite letter, pointing out that uninvited visitors are unwelcome trespassers, serves your purpose, and maintains your moral high ground.
27/09:
Not correct, both the Warrior and Archer have the same semi tapered wing, the one that does cause float if the incorrect speed is flown across the threshold.
At the risk of continuing the thread drift, and sounding a bit nerdy,
you are both right!.
Although all the Warriors were 151s, then 161s, both with the semi-tapered wing, the Archer I was a posh Cherokee 180 with the slab wing.
The Archer II onwards was the 181 with the 'Warrior' wing.
MJ