Sony removed Helldivers 2 from sale in countries where PSN is not available. For example whole CIS region.
(programming.dev)
Here are a few discord comments about the situation from the Helldivers 2 discord:
A Japanese business making stupid business decisions? Why I never..
Unfortunately, this will probably scuttle the game, if another company can get a similar game out in a reasonable time frame it's probably GG.