You were making it seem like her price controls proposal was the main reason for her losing. It was less about that and more about realizing she had no other ideas to curb inflation, along with the many other reasons.
And sure tariffs were going to hurt consumers if/after Trump tried the "pretty please" approach and got nowhere. This is a temporizing measure until other countries start to feel the sting (again, China backing off their tariff escalation tells me that they're already feeling it).