Question on dropped thrid strike

[mbyron]

Originally Posted by greymule

I would apply "not by that act alone" to mistaken running after an uncaught third strike, to routine rounding of 1B after a fly ball is caught, to continuing to run toward 2B after a force out, and to other cases in which the runner can't be expected to disappear or stop dead. But I wouldn't interpret those words to mean that the runner has license to deliberately confuse the fielders.

Who would? A retired runner who does something besides continue around the next base obviously does not fall under "not by that act alone."