Quoted from gstellenberg:4 commercial pinball machine manufacturers are now using our technology; so it's probably worth discussing our implementation choices and the differences to other technologies.
I think you tested your system to hell and back before releasing it to the public + listened to feedback from users. That was your mistake . Now you have people using your system and saying good things about its reliability.
If you want big cash rewards, design something flaky ... judging by the response Stern is getting with their latest titles, you'll have people lining up to buy the games.