This is pretty par for the course. The idea with these folks is that they are “doing well while they are doing ‘good.’”
This is how much crony capitalism is justified in Washington DC.
At this point the only way these guys can get into any trouble with this stuff is if an interest directly hands a wad of hundred dollar bills to a politician while a reporter records the transaction. And even then.
One doesn’t have to be above the law if one can simply write the law to one’s (low) level.