The Republicans aren't spineless, they are on the side of the enemy, they are losing because that's what they want want do, lose on purpose, they are controlled opposition, thet are the part of the enemy that works to provide a pretend rebellion to the whims of tyrants, when in actuality they are helping the tyrannical decrees along, they are also placating those who desire to rebel, and stealing power away from any real resistance that might form by being the more popular option, and thus offering the appearance of a higher chance of success compared to outsiders, should these true rebels join up with them, and resist the influence of corruption that the Republicans force on them, they will be met with Republican gatekeepers that exist to prevent them from achieving any real power to make a difference, while at the same time the Republicans will work with their accomplices across the aisle to find ways to kill the political careers with any actual resisters who had infiltrated within their ranks. Republicans don't need to grow spines, they need to lose heads.