>>2007980Nope, as the other anon said you can get endurance or tall stack less reach frames if you look hard enough. Also if you look some frames have proportionally more reach/stack in the smaller sizes, and as you go up the reach doesn't increase much while the stack does.
many vintage bikes are like this. My largest frame has a 58cm top tube but a 63.5cm seat tube, and since the top tube is level it has a TALL boi headtube.
With modern sloping tubes that's plenty easy to do. I see custom bikes with it too.