Pretty harsh to say New Zealanders are wasting their 20s and 30s by staying there.
He didn't say that! He said he wouldn't want to waste his 20s and 30s there. Different people want to do different things with their lives. NZ doesn't suit his chosen 20-to-39 lifestyle.
Pretty harsh to say New Zealanders are wasting their 20s and 30s by staying there.