I would have thought that court might have looked into this, and possibly added to the charges in consequence, but the coverage I can find doesn't mention it at all.
They've always covered their money trail, it's been a critical part of the illusion they portray where they're good people doing good things for nothing.
Given that the rest of the internet at their popularity level manages to generate enough $$$ to cover thousands of employees, produce their own whatever etc, it's ludicrous to expect TPB's traffic to 'cover hosting' as is the popular rumor.
A similar site, SurfTheChannel, was found to be generating ~$78,000 per month with order(s) of magnitude less traffic.
At least in Denmark, not paying e.g. $1 million in tax and especially if it's clear you didn't forget but conspired to avoid tax could be a far longer prison sentence than what this guy got away with. It's surprising this was not mentioned given the Scandinavian credit card operations where foreign credit card heavily used in the country were scanned to see if they belonged to not tourists but tax evaders.