Well, for starters, try bribing a police officer in USA vs. Russia over a speeding ticket and see how far it gets you. My money is on you going to jail in USA and getting off scot free in Russia.
Well, there's certainly less low-level corruption.
how can one imagine at a higher level, it will just magically get better then?
This is not the discussed point.
AKA pervasive corruption. See, also, Vietnam.
Less high level corruption, too. Jeff Bezos probably worries about a lot of things but I highly doubt that he worries Trump will throw him in jail and seize all his assets. Now if Bezos were in Russia? Putin would do it in a heartbeat [1]. There's no way you would get away with criticizing Putin the way WaPo does with Trump.