Beyond that, after I told him how to turn the service into a product, I turn something that without me would have had no value after they stopped into something that produced value for years without any major effort from either of us.
EDIT: Truly curious as to the reasoning behind the downvotes and would welcome a comment expressing someone's thoughts on why this comment has received 3+ downvotes.
In other words, you come off as an arrogant know-it-all.
Pretty sure that's why. Also the part where "I told him how to turn the service into a product" is equated with actually doing that work.
Not saying that your contributions weren't important - I wasn't there. Maybe without you getting a client there would've been no business, and maybe your cofounder is super happy with how things turned out, too. But it does read a bit like exploitation, and it definitely raises the question of what things might have looked like if you'd bothered to work as hard as it seems like your cofounder did.
Edit: Also, I think this probably touches a nerve with HN people, many of whom dream of founding their own company and are probably scared of exactly this sort of thing happening to them, but without the happy(?) ending.
You admit you did nothing... and that your cofounder did everything... but you refuse to attribute the success of the startup to your cofounder and instead attribute the success to yourself.
You have the audacity to claim that the startup would have been worthless without you, but ignore the fact it wouldn't even exist without your cofounder.
Plus you quote yourself.
I'm not lazy, happy to do hard work, but if I see an exploitable situation I will not create work just to feel good about things.
Do exactly what needs to be done, nothing less, nothing more.
Footnote: Not a fan of Edison, he in fact was lazy, refused to change, and spent a good deal of his life literally pounding rock to no end.