pretty smart i'd say i would use this whenever a diggie is in the enemy. tho i am not quite sure if the diggie is gonna use the strategy or not because here in my region its 50/50
As I know diggie after 7 deaths give 0 gold, so usually enemy that don't know about this continue kill diggie without farm in jungle and so on.
Your idea is really good I'll share it with my friends too.
Thank you a lot
Another way to counter, just give a kill to diggie.
Get your tank or support to get some damage by diggie even in egg form, and get killed by tower, and reset the diggie gold count. If the diggie does not know that the gold resets, its basically free gold.