If it hits consistently where you aim, or can be adjusted to do so, then who cares what the reputation happens to be.
The conventional, uh, "wisdom" is that you must spend equal amounts on the gun and the scope.
You spent zero on both, so you should be golden!
Seriously though, if it works, go with it.
Still happily answering to the call-sign Peetza.
The problem, as you so eloquently put it, is choice.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.