I guess that by the time a tax had been applied once, the targets would have worked out a way to avoid it anyway. Apparently, in old Athens, not only were taxe

I guess that by the time a tax had been applied once, the targets would have worked out a way to avoid it anyway. Apparently, in old Athens, not only were taxes one off, but they were explicitly targeted too, like "It's about time the Alcmaeonids pay for a festival again."