Yeah, thats how it should be: one download, everyone else downloads from that server, not the original source.

Seems abusable though

As someone who recently played through RE4, its easier to miss than youd think

Yeah. I had a friend who did this for pepsi and she was asked all the time where other products were. Luckily she was paid hourly and local, so she just told them where it was 🤷‍♀️