When people say "nothing gets done" they mean "we can't do things that a substantial plurality of the public doesn't want done" -- which is exactly what's supposed to happen.
If you break the mechanisms ensuring that stays the case, what do you honestly expect to happen the next time it's you in the minority?
It's not supposed to cause things a significant plurality of the public wants to happen. It's supposed to cause things a significant plurality of the public doesn't want to not happen.
If you break the mechanisms ensuring that stays the case, what do you honestly expect to happen the next time it's you in the minority?