Irrelevant to the matter of scale - Trump's corruption easily exceeds that of Pelosi.
More to the point, this is simple what-about-ism to avoid facing up to corruption in the US government and the poressing need (for many decades now) to take effective action.
As it stands, the emoluments clause and the impeachment wrist slapping make the US a standing joke for poor definition of problem and inability to punish.
Saying something over and over does not make it true.