Indeed, but progress is exponental for reasons indicated in this chapter.
Humans spend most of existance as hunter-gatherers, and it took only 58 years form the first plane, to putting a man in space.
Now quite how I was going to put it but, yeah, peoples constant 'oh no, not the trauma again' remarks made it obvious for those of us who haven't watched the anime and ruined the shock factor.
Really sucks.
I realise she's saying master as in a type of teacher or whatnot, but with all the slave stuff that shows up in manga I did cringe as a gut reaction.
As for the 45% tax. As taxes on earnings are usually incrimental, it would imply those stones are worth a small fortune.
Considering that guy was killed horribly for saying to Pakis that his beatings were taking it too far inspite of beign a bottom rung of the mob, I can't see him having a good time once the boss finds out.