That means the wealthy donors must be liberals because we have a history of passing liberal legislation from Social Security, Medicare, Medicaid, poverty programs, tax benefits for middle class (IRA), ADA, ACA, union organizing efforts................And, if your assumption is those with the money get their legislation passed, the liberals have been successful.
Here's another example of legislation bought and paid for by wealthy people: tax cuts.
They make no economic sense, they don't grow the economy, they lead to deficits and unemployment, and have prompted the two worst recessions of the last 80 years.
If rich people couldn't contribute to campaigns, do you think we would even have tax cuts?