Sure, it seems like ethnostates seem like they lead to poor outcomes. But you're also saying that to criticize an ethnicity who found out what the outcomes were

Sure, it seems like ethnostates seem like they lead to poor outcomes. But you're also saying that to criticize an ethnicity who found out what the outcomes were for non-ethnostates, so it falls a little flat. And since they're the ones you have to convince, not me, you might need to work on your argument a bit.