They might target, but sometimes they buy information too.

For example, my wife and I use Visible. It’s Verizon but cheaper (and it’s owned by Verizon). They also sell your number to scammers. So we get a lot of scam calls and voicemails. We just ignore them. Reporting them does nothing because the carrier is who you report them to (on an iPhone) and the carrier is the one that sends them. But I do it anyway. Most of them come in when I’m at work (and without my phone) anyway. So yeah, so they know who we are (name, town we live in). We just don’t engage with them.