Hello Andrei It has the same intent as 'trample on' in your example: the new government doesn't take into account the financial interests of the oligarchs, when it decides its policies. A similar idiom is 'to ride roughshod over'. It's true that 'trample on/upon' usually has a sense of deliberately or wilfully ignoring the protests of the person who is being trampled on; but the phrase is often used simply for journalistic vigour, without any sense of intentional harm.
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.