I think the insider trading aspects of this are the lesser concern. There's substantial debate over whether insider trading is actually a net negative for society or whether it makes sense to regulate, surprisingly. [1]

The primary concern here is whether or not this influences their decisions when it comes to governing, whether they choose the option that is most profitable rather than best for their country.

[1] https://en.wikipedia.org/wiki/Insider_trading#Arguments_for_...