O’Connor’s genuinely crazy (and career - she had quite a beautiful voice) days were a long time ago. Maybe, like a lot of us, she did some growing up during the intervening years. Certainly can’t say that about a certain other and far less talented singer, known sacriligiously as “Madonna”, who simply went through iterations of skankhood.
Even though her message was the right message, Sinead loses her moral high ground when she uses the F-word( in one form or another) about 10 times in her letter to Miley.
When you talk(or dance) like a prostitute, whether you behave like one or not, people are going to view you as just another prostitute.