"I spoke to everyone and they all think you are wrong" is a form of gaslighting.
And that is the force behind many of the cargo cults.
And that is the force behind many of the cargo cults.
"I spoke to everyone" is, by definition, not a single statement.
Everyone telling you you're wrong definitely can instill doubts about your perception.
Continously being told to "be wrong" can instill such doubts, but more precisely it would be me worrying about you "seeing it wrong", not accusing you of _being_ wrong about something. Your quote does not necessarily carry that meaning.
I am your friend, trust me.