[mopsi]

  > NATO is certainly participating:
  > * It supplies most ammunition and arms and much of the equipment.

NATO is a coordination office. Its purpose is to provide the higher levels of command structure to coordinate multi-national forces when activated. It does not own ammunition, arms nor other equipment, nor does it decide where they go (except in wartime). Similarly, NATO has not imposed any sanctions against Russia, because it does not control anything.

Instead, the most important decision-making platform has been the so-called Ukraine Defense Contact Group, which consists of 57 countries, of which only 32 are members of NATO.

  > * A negotiations process in Istanbul, having reached a draft agreement which would have concluded the war, in early 2022, was vetoed by NATO, or at least the US and the UK.

Not true. At the time, most of Ukraine's supporters were pushing them toward any kind of deal with Russians at the expense of Ukraine's interests, until the discovery of Bucha massacre made that pressure untenable. The whole narrative that NATO, the US, or Boris Johnson personally forced Ukraine to continue fighting comes from selective quoting of David Arakhamia, a member of Ukraine's negotiating team.

  > And this is in the context of NATO's long-standing strategy of expanding eastwards towards Russia

There is no such strategy and no such "context" except in the Russian state propaganda. Central and Eastern European countries have had to fight tooth and nail to gain entry. One of the best examples of this were Poland's threats to sink Clinton's re-election campaign with Polish-American votes if he tried to block Poland's entry into NATO.