I think MDMA is probably more dangerous than alcohol. One out of fifty thousand users dies the first time they take it from acute allergic reaction. It also depletes serotonin, causes hyperthermia, stress to the cardiovascular system, etc. I think it can be used responsibly in moderation for sure and have rolled a decent amount in my life, but I think it is kind of a stretch to say that it is safer than alcohol if both are being used in moderation. Alcohol used in moderation doesn't cause one out of fifty thousand people to die afaik.