I have no problem with someone trying to make a bit of money and having there be a paying option to get to where you want to be faster. There's always a coin option too, even though it's higher (for all of those people who don't want to pay to play)...at least you don't HAVE to buy tokens. The work to get to that amount of coinage isn't that hard. Plus if everything was too cheap then you'd get through the game too fast and not enjoy building your shop up and such.
I do, however, have one complaint...day generation. It claims to be every 15 minutes. Is that non-game time? I have spent hours away at work and can only play the game for 30 minutes?... I just find this strange. On a lighter note, I find that it gives me time to play some of the other Kong games...or plot world domination... :)