THIS!
This is really the only reason I see the lack of a point with Attunements even though I like their existence.
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But it made those who did raid a little special, even to those of us who didn't raid. I only ever did in to T5 in tbc and enjoyed talking to people who were in T6 and T6.5. It was something to aspire to achieving. Now it's not like that at all. Not even for new players I've talked to.