She was a great talent and poet. she had a unique voice and I AM A FAN.
i'm sad there isn't going to be more songs like "he can only hold her"
as for her being irresponsible and reckless; addiction is a tough battle, not only psychologic. You can't always beat it with support and good spirit.
if you didn't go through that phase your opinion on this matter is invalid, you can only assume.