My glue gunner did damage?

i was playing this costom map and my 0-2-5 glue gunner has 5k pops i noticed? it doesn't have the first path so I'm not sure why and the pops wouldn't tick up while i was looking at it

i was playing this costom map and my 0-2-5 glue gunner has 5k pops i noticed? it doesn't have the first path so I'm not sure why and the pops wouldn't tick up while i was looking at it