Because the two-party system limits choice to voters and polarizes camps.
A democrat could have genuinely good policy that would make an enormous difference for a lot of republican voters. But stances on social issues like gay marriage, gun control, etc, will make them unviable as a candidate. If they switch and support these issues, then they'll lose their primary.
While I don't think Yang has a shot, I really appreciate his attempt to find a new, level-headed middle. Finding middle ground is our best hope. I think there are ideas from both sides that could help both city and rural constituents, and believe that the culture war has gotten out of control on both sides with irreconcilable differences that disqualify the other. However, I also believe that rural voters could be won by Dems if they were engaged on their level instead of flown-over.
While I don’t think UBI will work, I like some of the other things he’s advocating for in the forward party like open primaries and ranked choice voting. Those may disincentivize extremism on both ends of the spectrum.
A democrat could have genuinely good policy that would make an enormous difference for a lot of republican voters. But stances on social issues like gay marriage, gun control, etc, will make them unviable as a candidate. If they switch and support these issues, then they'll lose their primary.