Your voice being heard is one thing. What we have here is the consequence of huge wealth disparities. Those with the money can influence the “democratic” process in outsized ways. That is the opposite of democratic.
The implication of your comment is that "those with money" should be silenced or at least treated differently... slippery slope again.
You can limit the amount of money spent on lobbying and/or political activities. That's about it, and that's already not easy to do.
Yes, the system is "pay to win", always has.