If I wouldn't get charged, I would be very willing to lane split and lane filter in Ontario (or other Canadian provinces/territories). The first couple of months here I was a bit nervous doing so until I realised what skills I needed to do so safely. Yes it carries a risk, so does sitting on a motorcycle stopped in a line of traffic. I will take my changes filtering and splitting any day over being a sitting target.
So the drivers are so bad in Cali that you are more worried about being rear ended, but you are okay with lane splitting with the same drivers.
Lane splitting in Ontario, not going to work in my lifetime. You have to start at the root of the problem, too damn easy to get a licence, both bike and cars, no lane discipline what so ever in this country.