Absolutely all of these things can be enjoyed, abused, and everything in between. All of them can lead to problems and/or can be part of a fulfilling and happy life.
You are approaching this with “She’s sick and she did this, disgusting” rather than “she’s sick and this is a symptom of that, what a shame”
Unless you are this harsh to people who have problems with the other things I mentioned and more, then you should evaluate why this specifically bothers you, it may speak to a preconception you have from a place of privilege.