Even if "25% of any population will be reactionary assholes" is true, that doesn't translate to "very little can be done." A quarter of the population can't accomplish very much unless they organize and gain some appreciable amount of political power. The task, then, is to figure out how to shatter reactionary institutions and drive reactionary thinking out of the sphere of acceptable public discourse.
Even if "25% of any population will be reactionary assholes" is true, that doesn't translate to "very little can be done." A quarter of the population can't accomplish very much unless they organize and gain some appreciable amount of political power. The task, then, is to figure out how to shatter reactionary institutions and drive reactionary thinking out of the sphere of acceptable public discourse.