This is of course not including the yearly Unity subscription, where Unity Pro costs $2,040 per seat (although they may have Enterprise pricing)
Absolutely ridiculous. Many Unity devs are saying they're switching engines on social media.
This is already how it works with poorly cracked games/software. The games' crack.nfo (readme) will say something like: - Copy the .exe to the /bin/ folder, add the .exe to your windows firewall or otherwise prevent it from accessing the internet.