Stern would know what percentage of pinball buyers add a topper
the R&D costs of the topper have to be shared among a small percentage of buyers
if a topper has molded parts or custom circuit boards, then that forces a higher R&D budget
Quoted from beelzeboob:But then people came over my house, saw R2D2 doing his thing, realized how super-cool I really was, and wanted to be my friend.
You can't put a price tag on that sort of thing.
No