We have been conditioned by society and I have many friends and family who are not vegan.
Our own personal choices reflect our personal journeys.
I became vegan because I always questioned everything at a young age, from food to religion...
and I have been vegan for 15 years despite celiac disease.
You're right that we should not push anything down other people's throats.
The urgency is to avoid all the destruction and suffering to the animals and the planet.
@somethingburger talks about this in depth in his scientific posts.