I wonder how many people still directly connect to the internet without a gateway. It seems sensational to say “INSTANTLY INFECTED” and then tiny print (in a way that nobody connects to the internet since 1999). But maybe I’m just ignorant to how large a market still use direct connection.
I doubt many people would do that. You would have to intentionally set it up that way. Residential ISPs almost always supply a modem with a built in router which will have a firewall. You would have to set it to bridge mode, enable the DMZ, or use your own modem.
I haven’t connected a computer directly to the internet since I used dial-up.
I remember back in the days of broadband being brand new. Comcast insisted that you had to pay for each device that connected to the Internet. Using a router was considered against the TOS.
I do not miss those days.