Surgical ads allow you to greatly reduce ad spend. If you know people who like A, B, C and are easily convinced of your worldview via data scrapping, and X, Y,

Surgical ads allow you to greatly reduce ad spend. If you know people who like A, B, C and are easily convinced of your worldview via data scrapping, and X, Y, Z are not, you can rile up a relatively small group of voters to shape the election outcome in battleground states.