Have any of you ever experimented with social media platform ad buys? It’s insane how finely you can pinpoint a profile of your desired customer. Not just zipcodes, it allows you to target people who listen to certain types of music, have certain types of hobbies etc.
So yes, you can absolutely redline groups you don’t want to spend money on seeing your ads.
Actually, it’s how the Trump campaign’s digital manager (now the overall 2020 manager) beat Hillary with a lot less boots on the ground and money.