The idea was to try to get people to start using angels petrochem recipes for resin and rubber, angels resin recipe(s) are quite easy in the early-mid game. As i said in the patch notes, this was mainly as a precursor to adding new recipes. I know that many people have been crying out for a re-balance of resin/rubber.
Unless you need to automate red/green wire for science (ERP or MSP), this should be fine. I can take another look at the balance later, but the main point is to try and make the wood path "less" attractive.