COVID AND THE VACCINE - TRUTH, LIES, AND MISCONCEPTIONS REVEALED, page-97065

How you made them feel after calling them stupid?
Angry, resentful, and you are also losing respect for your cause.
Do you not remember some of the teachers saying similar things to you?

Was it effective, did it work.
No, all it did was turn you against them and turned you into a rebel.

Basic human nature. If you are attacked, you will defend yourself.
Taking the attitude which you have, drives people away.
You will get no converts, as they will not respect you.

Perhaps your intentions are good, but sadly this method is flawed.
If you really want to get people onboard, you need to get them onside.
Please think about this.