They imported top graduate student talent that went to the us and might have wished to stay but could not or wouldn't put up with the H1-B indentured servitude

They imported top graduate student talent that went to the us and might have wished to stay but could not or wouldn't put up with the H1-B indentured servitude or was better paid back home or just patriotic. Also - less financialization. In US, a statistician goes to work for any 3-letter agency or high finance. In a less financialized economy they might devote themselves to crystallography instead.