I think you'll find that actually the bar will not bend in any way if it's dropped onto the ground with weight on. You won't bend or damage a bar unless it's dropped onto supports on a rack, and if you're doing Crossfit, it's highly likely you're dropping it on the floor, so this isn't an issue.
http://www.ivankobarbell.com/press/how_to_bend_an_olympic_ba...