It gives both parties a signal to move in the direction you prefer. The Republicans might get the message that voters prefer Randy-like representatives and all move in that direction. Meanwhile the Democrats get the signal to move away from Donna back to positions you prefer.
If Randy was a good enough candidate that you’re considering voting for him despite you generally preferring Democrats, he might actually be a better candidate overall.
Two more reasons to vote for Randy:
It gives both parties a signal to move in the direction you prefer. The Republicans might get the message that voters prefer Randy-like representatives and all move in that direction. Meanwhile the Democrats get the signal to move away from Donna back to positions you prefer.
If Randy was a good enough candidate that you’re considering voting for him despite you generally preferring Democrats, he might actually be a better candidate overall.