You seriously can't think of a single idea for how to ban toxic players at scale?
Start with crowd-sourcing via reports, then pass it over to customer service once a critical mass has been achieved. Make sure one person can't easily create a new account after being banned. This really isn't a new problem, tons of companies of all sizes have tackled it with varying success.
Start with crowd-sourcing via reports, then pass it over to customer service once a critical mass has been achieved. Make sure one person can't easily create a new account after being banned. This really isn't a new problem, tons of companies of all sizes have tackled it with varying success.