Apparently the theory behind LK-99 was inspired by the studies from Eastern European scientists. However, after the Soviet collapse, the study was lost.
I like this definition, personally:
“Patriotism is supporting your country all the time and your government when it deserves it.” ― Mark Twain
If you want to put it in game theory perspective, normalizing selfish behavior means that when you could benefit from something in another country but won’t you’ll be the one suffering discrimination.
If we can reach agreements international cooperation can benefit all parties better than the greedy solution.