[citation needed]

There are two major parties in Germany who oppose NATO membership: The far-right AfD and the left to far-left Linke. They have less than 20% of the national vote together. In 2019 there were 54% of Germans in favor of the NATO membership and 13% opposed it. [1]

Can't talk for the other countries, but given that you have no sources other than "I heard someone say that", I'm not inclined to believe it.

[1] https://d25d2506sfb94s.cloudfront.net/r/52/YouGov%20Eurotrac...