Unfortunately for your little theory it was Ukraine and Angela Merkel who admitted this and not Russia.
This was made even more painfully obvious just before that day in Feb 2022 when Russia demanded Ukraine adhere to this multilateral (i.e. also agreed by Europe) agreement theyd already agreed to and Ukraine just point blank refused, preferring to fight.
Russian diplomacy follows a Clausewitzian model (i.e. that you're better off in tbe long run if you are up front about your intentions), unlike the western model where one day you announce talks with the Iranians pledging good faith in your negotiations and the next day you launch a surprise bombing raid, hoping this means you got 'em good.