Business investment accounts for only about 10% of economic activity. Consumers comprise about 60% which is why the last fiscal stimulus focussed on them.
Also if you look on a global scale...most developed nations are increasing taxes on high income earners, certainly the UK and US are. Believe it or not we are in a global economic crisis, as such we all have to chip in.
Dont let your one eyed lib stance cloud your economic "judgement"