In a vacuum I absolutely agree with you. In fact my PoliSci 101 prof defined politics as “who has power and how they use it” but in a system like ours where money also is a form of power (or at least a force multiplier of power) unto itself, money helps concentrate political power into fewer hands and magnify the ways they can use it.

It certainly would be naive to think that simply “getting money out of politics” would “fix” things but it is still a desirable goal for anyone who, themselves, does not currently have extremely large quantities of money.