Why are developers reinventing the wheel for each release (seemingly)? The fix in my experience is to build a baseline between the low level framework and the

Why are developers reinventing the wheel for each release (seemingly)? The fix in my experience is to build a baseline between the low level framework and the UI, like a business layer in most web applications or the HAL in Windows. I'm not a game developer though, so just my stab in the dark :-)