What upsets me is the waste of effort building the same things again and again. I would like to reuse solutions to problems I solved and use them going forward.

What upsets me is the waste of effort building the same things again and again. I would like to reuse solutions to problems I solved and use them going forward. Imagine if we were all building upon the state of the art at all times and upgrades were free and things don't break between upgrades.