Turkey is blocking NATO's expansion. That could backfire

When Sweden and Finland declared their intention to join NATO last May, it was seen by many as a poke in the eye for Russia and evidence of a shift in European thinking. Historically, both countries had committed to non-alignment with NATO as a way of avoiding provoking Moscow. The invasion of Ukraine changed that. 

source https://www.cnn.com/2023/03/05/europe/turkey-finland-sweden-nato-membership-intl-cmd/index.html