They are not cowardly per se, they are simply bought and paid for by the highest bidder. They no longer mind because you , the voter, no longer matter.
They’ll be back for you with more red meat button pushing next election cycle.
No democrat rep or senator ever turns conservative while in office.
It would appear the institution of congress itself affects people in a leftward way.
It is way past time for the states to reform congress, bring back state appointed senators, re-federalize the imperial city that devours our freedoms.
Article V NOW.