[kccqzy]

Realpolitik in action. Great powers just impose export controls because they know they can and they think it would be beneficial to the nation.

[zmmmmm]

And it is nearly always hubris - the people making these decisions are surrounded by yes-men who built their whole career pumping up the egos of their superiors.

[epolanski]

This has never been a winning move, yet it became increasingly popular in the last decade.