There's a lot baked into that thought, but I wanted to extract this part:
> There’s nothing morally wrong with ... building... gambling.
Say you're building a gambling system and building that system well. What does that mean? More people use it? Those people access it more? Access it faster? Gamble more? Gamble faster?
I agree with you. It's also worth noting that this isn't unique to anything discussed here. EVERYONE has their line in the sand on a huge array of issues, and that line falls differently for a lot of people.
Environment, religion, war, medicine; everything has a personal line associated with it.
2) If you were devising more efficient sugar delivery systems for those acquaintances as a means to take every last cent they had, knowing they'd be unable to resist, you're complicit in robbing and killing them.
> There’s nothing morally wrong with ... building... gambling.
Say you're building a gambling system and building that system well. What does that mean? More people use it? Those people access it more? Access it faster? Gamble more? Gamble faster?
It creates and feeds addiction.