Originally Posted by livedarklions

I've ridden with 30 pounds of groceries on my bike quite a few times, there's no way I can accelerate as fast as I can on an unladen bike. But I've never experienced a situation where I thought the lack of acceleration somehow made me incapable of dealing with traffic or was otherwise a safety issue.

If someone is trying to ride comfortably in the traffic lane with a heavy load of groceries, that's their business, but I'm basically riding some form of FRAP most of the time, so I can't take this idea seriously at all.