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I don't mind they are russian. I said russians because they are, at least most of them...
And the fact they sell sweat for you doesn't allow them to use bots. The use of 3rd part apps, especially for cheating, is clearly against the TOS.
It seems more to be a bug from MA than an exploit. Though MA uses to name their bugs as "new features" :D
If you want to see a real exploit, go to Nea's fertilizer station (around [29589, 35835, 135], on Calypso), and look at the herd of russian bots sweating. You will quickly learn the...