Good point. It's hopeless. We should all just shoot ourselves. We've got the guns.
Seriously, all of the situation we are in was created by the voting public. Since the hanging chad election of George Bush we've had an accelerated erosion of one person, one vote. Giving up is not an answer. 
We've had a hard lesson just how obstructionist Congress can be. Placing a candidate in the oval office that can galvanize the people is an excellent start. For some reason people question Sanders' ability to get things done, but not Trump. Either will face opposition. 
We need 2/3rds of that 535 congressional members to propose an amendment, then 3/4ths of states to ratify.  We have passed 17 amendments. 
I am not giving up before we try.