Because by not taking the person serious you now commit to making a public political stance. The Twitter user claims that this post contains sexism and elitism.

Because by not taking the person serious you now commit to making a public political stance. The Twitter user claims that this post contains sexism and elitism. By keeping it up you must defend the fact that you are not being sexist or elitist by criticising encrypted save files. It’s easier to just cave in than put in that effort for a joke.