That's a load of crap yes frames are designed with street,TGS,natural in mind but you cannot comment on there being an "imperfection" in the geometry because it doesn't suit you. And you cannot say the chainstays are too short and its a weird length cause that's how YOU would want it (back to what i said on personal preference) I bet some people regard that frame as perfect for them due to their style or even their size/weight. So geometry cannot be classed as an imperfection unless something is drasticly wrong which makes it hard for it to be ridden for it's purpose.