A big part of the problem is that congresspeople can’t hire and retain good staffers long-term - the pay isn’t good enough and cost of living in DC has gone up drastically. This hamstrings Congress - they can’t really develop their own solutions and are forces to rely on outside sources for legislation. On a related note, did you know that more money is spent by businesses on lobbying than the federal government spends on all of Congress?

(Also, senators are congresspeople.)