Those are not scribbling but the actual words spoken during negotiations. ( The actual writing of the conversation in real time, the guy with the notepad in every meeting writing down as words are spoken) not the made up articles churned up by western media with the intent to erase the history to justify western actions.
The calculus and every other treaty changed when NATO expanded against the legitimate rationale of the Russians ( who believed that NATO expansion is already agreed upon).
Again you are the professional here. Being an expert you know and can enlighten others as well the severe compromise from a Russian defense point of view regarding crimea and in general Ukraine. If NATO expands into Ukraine it directly threatens Russian heartland not to mention the Russian navy.