Wife and I were discussing. Rhys Hoskins in the NLDS is the guy they are referencing. The key difference imo was that the Troy batter threw the bat back across the field, in the general direction of the catcher/umpire. Hoskins throws it directly into the ground towards his own dugout. Don't think Troy's merited an ejection, but that is the key difference imo. He rightly apologized.
https://www.youtube.com/watch?v=Dvi9xqPd3SU