I am completely in favor of legalization. That said, I feel obligated to point out that "the majority of stoners will tell you it's very safe" and "most stoners generally agree on this" does not a convincing argument make.

My own anecdote: sitting passenger in a car with someone stoned and thinking traffic was going too fast, racing by him. On I-95 in the middle lane, going approximately 25 mph. And he insisted he was actually safer when driving stoned due to that slight paranoia you'd mentioned. I mention this here only to underscore the reliability (or lack thereof) of the source you're using.