Or c) still get sick even though they're vaccinated (bad luck or mutations)
I'd be very cautious to say that anti-vaxxers "deserve" the risk. A large part of the anti-vaxxers I know are people who've been down on their luck for a long time, have lost all hope in society and the government, are isolated, and have been convinced by people who prey on those weaknesses.
Now, if it’s a) and you’re arguing that maybe they deserve the risk of infection then that’s another argument.