For a second I thought these were some absolutely insane PVZ stick figures

Honest answer? Better, more personalized advertisements to target at people.
Also because somebody has to profit somewhere. Everyone wants the opportunity to capitalize off of something, and in a digital age and world where our own privacy can be sold like candy to other companies, VPN developers know that there are people who care a lot about their privacy and want to use the internet, so they provide them with a service at a fee because they’ll be willing to pay for it.

Right now I’ve just bought all of your data from Google and I’m sending a ballistic missile to your house. Good luck bro ❤️