Denied driver's licenses to illegal aliens: SBX3 1 was passed by a supermajority of the legislature. It didn't matter if the Austrian approved it, ignored it or vetoed it.
Rolled back the car tax: The VLF remains and Californians pay it. The Austrian did reinstate a subsidy that Wilson orchestrated in good times, but he was then forced to borrow $15B to cover the political ploy for the rest of his term. The borrowing amounted to almost 40% more in taxes that the VLF.
Vetoed gay marriage: On the same day the Austrian vetoed AB 849 ,he signed AB 1400. They were almost duplicates. One called marriage, the other, civil rights. The former would have started a donnybrook with organized religion, lead by the Catholic Church, but the later sneaked quietly in the back door (excuse the pun).
I'm not a big Arnold fan, but I'm glad that he is using his position to prod California in doing something about climate change. They've recognized that it is a problem and are planning to do their part to try to turn it around. What's wrong with that? If we wait for everyone to agree on this, then the science it's pretty clear that are economy and lifestyle is going to suffer in the long run.
As for costing jobs, it seems to me that if we send less of our money to places like Saudi Arabia, Venezuela, and Nigeria for oil and spent more on renewable resources at home, then it would be pretty good in a lot of ways, including creating jobs.