Yet, somehow all of these methods get used orders of magnitude less than firearms to commit mass murders. Both in the US and elsewhere. The US isn't really my

Yet, somehow all of these methods get used orders of magnitude less than firearms to commit mass murders. Both in the US and elsewhere. The US isn't really my standard. In sane jurisdictions you actually need a special license for bigger vehicles. And those still aren't as easy to control as smaller cars, so I suspect you highly underestimate the difficulty involved in committing mass murder with a vehicle. Sure it's not impossible, but pulling a trigger is one heck of a lot easier. People who try to commit amok runs with cars or trucks actually do get stuck quite often.