influence, decide, lead to, to bring someone down a peg or two, to take someone down a peg (or two)
Contexto
“We even let people be privileged as long as they say, ‘I know I’m privileged but I’m nothing really,’ we don’t like people to go ‘Oh I deserve it, how dare you talk to me like that’.
“And we sense that, if we really think these people start believing their own hype, we want to bring them down a peg or two.”