Sweden’s GDP fared worse than Norway’s and Finland’s, with greater loss of human life to boot. Denmark‘s economy has fared similar to Sweden, perhaps a bit worse even, but with much less loss of life.
It’s an evolving situation, but at this point, yes the lockdowns appear to have been worth it both for economic benefits and loss of life. Swedens strategy, thus far, has led to greater loss of life as well as no economic payoff.
Belarus, Navalny, Coronavirus, 10km EMP guns, GPT-3: Don't seem quite existential risks, at least not in any obvious sense.
Autonomous nuclear armed submarines: Seems a legitimate X-Risk.
Russian Permafrost: Seems outside of Russian control, also not unique to Russia (Canada has same issue).