For a long while, input sanitization in the web world was about modifying inputs to strip the problem areas. As such many consider escaping and sanitization to

For a long while, input sanitization in the web world was about modifying inputs to strip the problem areas. As such many consider escaping and sanitization to be completely different practices. It seems like this article is using this differentiation. In my experience, it's very common. It's not worth arguing about.