As it turns out, Russian puppet state Turkey is trying to hold up Sweden and Finlands membership in NATO. The organization needs to seriously review it's unanimous approval mechanism for membership, or consider drop kicking Turkey out.

NATO talks with Finland, Sweden falter but will continue

NATO envoys failed to reach a consensus on Wednesday about whether to start membership talks with Finland and Sweden, diplomats said, as Turkey renewed its objections to the two Nordic countries joining.

The envoys met at NATO headquarters in Brussels after Finland and Sweden’s ambassadors submitted written applications to join the military organization, in a move that marks one of the biggest geopolitical ramifications of Russia’s war on Ukraine — and which could rewrite Europe’s security map.
Lithuanian Ambassador Deividas Matulionis told Swedish and Finnish media that the envoys had exchanged views about their national security. “The discussion was about that, but it is up to Turkey to comment,” he said.