I understand your point, Goldfinch, and can appreciate it, being a former Clyde myself (though one who wore lycra shorts at 270+). But even if I were still 270, 300 or more, as long as I see some of the things I see on people at places like Walmart, nothing about my riding attire would ever make me embarassed or self-conscious.
It's hard enough to get past the notion that we look like we don't belong on a bike. Anything that makes riding physically uncomfortable is just one more hurdle none of us need to have before us.