Old mate the reporter should get his facts clear.
The whole 5 year business with registration being expensive is a load of crap.
2 year rego for a used vehicle and around $1,000 if you get a workshop to do it for you. Just did my rental van for my rental house in the snow and saved a few man ($) and it's 13 years old. Yearly road tax has to be paid and amount depends on type of vehicle but for a skyline it's around the 40,000yen per year.
Most winding back is done by the dealers in Oz,Nz etc but does happen in Japan( mainly foreign dealers of certain ethnicity, sending cars to Russia, Dubai,India, Pakistan etc and also dealing in stolen cars) but the majority of wind backs coming into oz is the dodgey Aussie dealers.