We are all unique - one man's meat is another man's poison.
Just because you [and maybe many others] don't die from Cannabis should not give you grounds to call a coroner [presumably from the pathologist report] incompetent suggesting they must have missed another underlying health issue.
I...
And you are better qualified than the coroner on the cause of death, how exactly?
When did you perform your post mortem and who did the toxicology analysis for you - and to really shut me up and prove you know best - scan these reports and test results and put them on here as hard factual...