Don't take it personal, its a forum, and everybody has their own view. When I was a kid it was a collar and string, but I never needed that really, and my ferrets now are no problem, but I always collar them because I can. I have to dig now, but years ago I would have sat around a lot more.
Each to their own mate.
I've just got my locator fixed to find out the collar is fcuked and need
To fork out for a new one...... I think locators are great, exactly what your saying is right about rabbit numbers, less waiting and quicker to move on but people that cant afford a locator or cant