>>51784205The problem is not that he's using a non-monotype, it's that the offtype mons he is using don't actually help him in any way. Nothing here is going to stop my Garchomp from clicking Earthquake 4 times and killing everything.
Have Pokemon that fit the gym theme but serve as an actual counter to what people would be bringing. Instead of a SFMA like Octillery, why not Mantine or Gyarados to stop Ground types dead and fit in with Sunyshore's beach theme? Instead of Ambipom, why not something to counter grass types like Rapidash, which also serves to help tie him to Flint? If you're worried about the ground weakness, why not give him something like Rotom-Heat which doesn't share weaknesses with the other electrics?
Just retarded teambuilding. And he should also have 6 Pokemon like every strong lategame trainer.