I don't think anyone has said that any drug is safe for all people. It is your prerogative to believe what you do based on that one experience. Which you apparently lived through. But other's experiences don't bear out your view nor does simple toxicological assessment of cannabis.
It is hard to discuss this in any greater detail because it isn't appreciated here. This thread has already pushed the envelope.
Heh, yeah.
I figure the only reason we haven't been shut down is the Admin Mods are in the back room getting high. ;-)
Joking! I'm only joking!!