The cooperation happened when both parties could only benefit through cooperation, and it required trust. The vaccines were snatched (in the beginning) and the

The cooperation happened when both parties could only benefit through cooperation, and it required trust. The vaccines were snatched (in the beginning) and the Trump wanted to "take over" BioNTech to guarantee vaccine priority. COVID-19 showed that everyone is on its own (countries, cities, individuals, etc..)