The Senate was an appointed body with life terms, not elected on a regular basis, so the incentive for responsibility avoidance did not exist.
The Senate was full out into responsibility avoidance Some individual Senator would make a deal with a rival to a client king's throne and take a bribe then the Senate would have to allocate funds to pay the legion to deal with the aftermath Individual benefit, social costpic.twitter.com/IqquTTs7et