The difference with a tax of course is that the money goes into the pockets of traders instead of anyone who, well, does anything beneficial. A tax not only mak

The difference with a tax of course is that the money goes into the pockets of traders instead of anyone who, well, does anything beneficial. A tax not only makes bad behavior expensive, but funds remediation efforts (a carbon tax usually funds renewables research, for example). Imagine how quickly we'd roll out IPv6 if IPv4 net owners had to start paying a small yearly fee which would be collected in a big fund that ISPs and other infrastructure providers could request grants from to finance their IPv6 transition.