So, these people are vaccinated, get their kids vaccinated, but don’t want it to be mandatory for other kids parents are too stupid to get them vaccinated and put the life of their own kids in danger. Basically, they are too selfish to care about other kids than their own.

That’s not the LLM that understand your encoded string, it’s simply a preprocessing filter recognizing the signature of a base64 encoded string that decodes it and pass it back to the LLM.