Providing tanks, weapons, military training, etc, etc, will extend the war, leading to even more lost and ruined lives and destruction of vital infrastructure and the natural environment. The only people who will ultimately benefit will be arms manufacturers - as they always do when there is armed conflict. They made a fortune out of the invasion of Iraq, and millions of dollars meant for the re-building of Iraq's ruined infrastructure and businesses went missing too. The invasion resulted in a state of political and economic chaos, with violence between various armed factions continuing to this day. Ditto Libya.
It is an unpopular view I know but my understanding is that there was some sort of an agreement that Ukraine would not become part of NATO and that no steps would be taken to encourage it to seek membership. The Ministry of Defence's own website reports that in 2015 there was a deployment of UK armed forces in Ukraine for the purpose of training the Ukrainian armed forces.
As with all wars, it is the ordinary people who suffer on both sides. Providing more and more weapons to Ukraine will only escalate an already dangerous situation.
I don't see the Ukraine/Russia situation as in any way akin to what happened in Germany where a power mad, deranged man used the underlying frustration and dissatisfaction of the majority population to scapegoat and dehumanise already victimised groups within the German population, leading ultimately to the systematic murder of large numbers of not soldiers but defenceless men, women and children.
As with Iraq, there are virtually no mainstream media voices to express anything other than support for this ever-expanding Ukrainian military operation.
The UK has many very serious issues to deal with - a crisis situation across all of our public services, a government that cannot be trusted to behave ethically or effectively, a care crisis which the government had long ago promised to deal with as a matter of urgency, many families facing extreme hardship and living in seriously sub-standard accommodation, etc. etc. We are spending millions of pounds to ensure the continuance of a bloody war that is destroying Russian and Ukrainian lives, rather than trying to encourage some sort of compromise, with the hope that it will lead towards peace. We involve ourselves in these wars but leave a trail of chaos and misery behind us. We have not fulfilled our obligations towards those UK-supporting Afghan people left in Afghanistan fearing for their lives- nor have we fulfilled the promise to provide adequate accommodation for those few Afghan people who did manage to get out.