My home base has a roughly East/West runway. All circuits are to the south of the field.
We don't mind aircraft arriving from the North positioning for a right base when it's a left hand circuit or a right base when it's a left hand circuit.
Just so long as they are sensible about it. It saves time and fuel.
It may seem to some that they are making a turn against the circuit traffic, but they aren't 'in the circuit' until they have established on final.
In many years of flying I've only ever had one really close call. I had just taken off and was at around 150 feet on the climb-out when a military fast jet went under me doing a high speed pass down the reciprocal.
He was talking to the right airfield but looking at the wrong one.
Duxford-Cambridge. He was an American.
and yes I'm an American. Remember us? We invented the airplane.
I'm a Brit. Remember us? We invented the aeroplane.
Sir George Cayley, 6th Baronet (British inventor and scientist) -- Britannica Online Encyclopedia