Bloggs you shouldn’t really be flying passengers as it’s clear you believe the present system in G does not meet acceptable safety levels. The type of VFR pilot at Launy is the type of pilot mixing in your airspace all the time . He would have made a similar decision in G or E.
The only reason the airline pilot knew of him was because under my introduction of E a transponder was required. At launy the airline crew never never sited the Tobago
As there is no transponder requirement for VFR in the terminal G you fly in all the time how do you know that there have not been dozens of times where VFR pilots have heard your announcements and not replied. You would not know!
As many would not have transponders they would not appear on your TCAS and you constantly state see and avoid does not give acceptable levels of safety.