Was Michael Jacksons death an accident

You decide if it was or if it was not

1 Was mj's cause of death due to drugs overdose
2 Was he in control of the drugs that killed him
3 Was he very demanding when he wanted drugs
4 Was his doctor to blame partly for his death
5 Did he consume drugs to sleep more so
6 could his death have been avoided
7 Do you think he waisted his own life in hignsight