The more energy you put into trying to change people, the more disappointed you will be.
Put that energy into yourself and build to a point where -
1) You no longer need to deal with said people.
2) Said people are forced to take your opinion more seriously.
The government is inefficient and largely useless.
There is nothing the government can do for you - that you can’t do quicker and more efficiently for yourself.
Look at the laws trying to mandate health. Look at the obesity rate.
Vs those who prioritise their own health.