I never bot after a temp ban unless its a throwaway account. I've had a few accounts get permed pretty quickly after their temp was up, while botting different things than I was prior to the temp each time. I've also never had any of my bans quashed. If it's an account you actually care about I wouldn't bot it anymore. If it's just a throwaway then keep going I suppose, or sell it so you at least get something out of your investment into it.