"Recent opinion polls have shown as many as 68% of Finns are in favour of joining the alliance, more than double the figure before the invasion, with only 12% against. Polling in Sweden suggests a slim majority of Swedes also back membership."

One thing that's probably safe to conclude is that Putin doesn't actually care about what nato does or who joins it because that's a very predictable outcome of invading another non-nato country. Sure he'll say stuff about nato, but he's habitually lying like about invading ukraine. If anything it seems he wants other countries to join for his own reasons.

It does seem pretty clear that at this point Putin would prefer trying to grab a chunk of Ukraine over trying to keep NATO from expanding elsewhere.

This pretty much proves that either:

A) Putin actually isn't concerned about NATO offense (because they would never offensively threaten Russian territory)

or

B) Putin is a miscalculating idiot

Putin propaganda consumers seem unable to square these conflicting realities.