RE:I am now a share holder of TKOGood start buckor2, I picked up a few today as well.
As far as your question, Royalties and mine taxes are just part of the math in determininge to build a mine. The main factors are really supply and demand, which will set the mineral price and then you look at NPR etc. years of pay back and a bunch of factors.
If you want to do some research on Mine royalties and taxes in Canada, go to the Natural Resource Canada site and look for mine tax tables.
For other countries google Global mining corporate taxes.
They are different all over the world. Don't waste much time worrrying about it becasue it is just a fact of life. Governments have their hands out everywhere and don't expect that to change.