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This is false. I don’t use Apple Pay and I have lots of tickets and such. You don’t add them from within the Wallet app. The Apple Pay prompt is shown whenever you don’t have any passes or whatever in the wallet. Try adding some passes and see.
I've added some passes, thing is there. Last time at the AWS summit I had to hold the blasted banner on the edge of the iphone with a finger while they scanned the pass. This is a well-known issue: https://discussions.apple.com/thread/253699496?sortBy=best .
Both before and after I could pull up my other passes easily.