I imagine those applications have a better idea what sanitation they need. Is it even the same for all of them? And toLower is what they do now, but how do you

I imagine those applications have a better idea what sanitation they need. Is it even the same for all of them? And toLower is what they do now, but how do you predict the algorithm won't change in future? When you sanitize proactively for future algorithms, it's just data loss.