The primary point of the movement should be to stop animal suffering, not making other people feel bad.
While it's a necessity to make people aware of the cruelty of the animal industry and the harm it does to the planet, there are many ways to get there, and not all of them will work for everyone. The difficulty is in getting people to listen to you and being willing to self reflect their own behavior. Once they do, they will feel bad on their own.
Carsharing? Yes. Personal cars with a subscription? Not really.