Link to the treaty by NATO promising to not expand eastward to Poland, etc.
It does NOT exist.
Russia is so afraid of NATO, they withdrew almost all of their forces from the Finnish border.
Russia has moved the vast majority of its ground forces previously stationed near Finland to the war in Ukraine, the Finnish public broadcaster Yle reported on June 19, citing an undisclosed Finnish military intelligence source.
The border area with Finland and Russia is rugged so there is not really an invasion threat from that Finland. In contrast the Ukraine is part of the Eurasian Steppe (like the Great Plains of America) and offers a flat, easy path into the Russia heartland.
Not that you care at all about facts or truth.