[2019] goyo is worthless

he always kills his own teammates by that fire, teammates, like idiots, just sit behind it and die making u banned for teamkilling

Part of this has to do with strategy really. Ideally, they shouldn't be near the shield or the area where the shield explodes. The only people who would really do it on purpose would be trolls, who should be reported for griefing if intentional. You should also be cautious of where you place Goyo's shields.