Sweden currently would be in a perfect selfish situation.
Norway and Finland are in. So sweden cannot be attacked by russia without NATO helping them unless russia only attacks islands. But Sweden has free choice to participate or ignore NATO being attacked.
Now Sweden has to help NATO wherever they are being attacked.
Finland and Sweden have been cooperating in matters of defense for a long time. Now they both are NATO members, that united defense should be a credible deterrent to Russia. In Sweden was left out, that structure would have been weaker.
Sweden currently would be in a perfect selfish situation.
Norway and Finland are in. So sweden cannot be attacked by russia without NATO helping them unless russia only attacks islands. But Sweden has free choice to participate or ignore NATO being attacked.
Now Sweden has to help NATO wherever they are being attacked.
Finland and Sweden have been cooperating in matters of defense for a long time. Now they both are NATO members, that united defense should be a credible deterrent to Russia. In Sweden was left out, that structure would have been weaker.