No I don't think it is unfair. What is unfair is the leniency others get.
We're in agreement on that and I think basically everybody is in agreement killer drivers literally get away with murder, due to conscious choices like speeding, drink or drug driving, or dangerous manoeuvres due to impatience or arrogance.
I have no preference as such for how the verdict goes. I am however highly doubtful a conviction of Alliston will lead to more dangerous drivers of any form of mode of transport being charged with manslaughter in the future. As we can see how long his case has dragged out prosecutions like this are expensive, and in our market driven society where justice ministers call court users customers the CPS will always go for low hanging fruit careless driving charges that lead to fines and community service only.