If you care for facts, then you might remember that the EU did not exist as such when there was a West Germany,
And here's some light reading pertinent to your "nonsense" comment above:
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Declassified documents show security assurances against NATO expansion to Soviet leaders from Baker, Bush, Genscher, Kohl, Gates, Mitterrand, Thatcher, Hurd, Major, and Woerner.
Slavic Studies Panel Addresses “Who Promised What to Whom on NATO Expansion?”
https://nsarchive.gwu.edu/briefing-book/russia-programs/2017-12-12/nato-expansion-what-gorbachev-heard-western-leaders-early