That assumes corruption exists in these countries because people are OK with it, but that doesn't square with everything I've read about corruption. It exists because corrupt systems are difficult to dismantle.
By analogy, imagine someone from outside the US making the argument that it's "just our culture" that makes it OK for a lobbyist to walk into a senator's office with a $20,000 check in hand ready to discuss policy. That's a situation almost nobody is happy with here - it's not a "cultural difference" but a difference in how power structures have been built up over time through a concerted effort by very small groups in a larger society.
If the people in power are abusive in some way, then advocate sanctions or something. Fining Walmart because a Brazilian Walmart employee living and working in Brazil greased few palms to get building permits seems like a fool's errand.
> OK for a lobbyist to walk into a senator's office with a $20,000 check in hand ready to discuss policy
Or maybe your wife is Secretary of State and OK's a Uranium deal right after you get paid hundreds of thousands of dollars to give a speech to an empty room.
By analogy, imagine someone from outside the US making the argument that it's "just our culture" that makes it OK for a lobbyist to walk into a senator's office with a $20,000 check in hand ready to discuss policy. That's a situation almost nobody is happy with here - it's not a "cultural difference" but a difference in how power structures have been built up over time through a concerted effort by very small groups in a larger society.