Why do they say to never forget 9/11 when they do a pretty damn good job of making sure we never forgot in the first place?

I mean yes it sounds like a stupid question, but most of us who lived through it it’s already engrained in our memories so much.

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Im not meaning it as mean, I just think it’s pretty hard to forget when everyone remembers it all who was alive back then
Why do they say to never forget 9/11 when they do a pretty damn good job of making sure we never forgot in the first place?
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