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From what I've read and seen, the overwhelming majority of people felt relief after the armistice rather than holding it as some wonderful victory, backed up by the general public & government reticence to see Britain jump into the second world war, which led to appeasement and blah blah you know the rest.
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I think there's a middle ground of people who reject the "lions led by donkeys" narrative. A lot of people went to fight in both world wars as thoughtful participators in something that they felt was right and worthwhile. I think we can deplore a nationalist mindset and failure of diplomacy that led to the wars themselves, while still recognising that many people who died willingly stepped up to make that sacrifice for something they thought was worth it.
Also worth noting that the poppy is not just a symbol, it's a money-raising tool for the Royal British Legion who do provide care and support to members and ex-members of the armed forces.
Millions of citizens across Europe died in those two wars, Poppies and Remembrance day at least partly has the intention of keeping it everyone's minds so nothing like that happens again.
I don't think anyone would ever consider WW1 glorious.