Sometimes everyone follows their own incentives perfectly, and as a result the system as a whole does something insane.
If you vote for a non-lizard, the wrong lizard might get in.
If they take time away from fundraising to try to fix the system, they might not get re-elected.
Moloch. Principia Discordia. Humans are really bad at resolving circular dependencies and multipolar traps, especially when large coordination problems are involved.