This went away not only because flash died, but also as the internet commercialized.
I mean, consider this: McDonald’s used to be fun and colorful. Now every McDonald’s is boring and gray. And, wait, every store is boring and gray! And flash had nothing to do with that.
But McDonald's has been commercialized since forever, as have those other stores. Something seems to have changed in the culture where businesses only want to offer bland, boring experiences any more. It can't be just the profit motive, because that always existed.
I mean, consider this: McDonald’s used to be fun and colorful. Now every McDonald’s is boring and gray. And, wait, every store is boring and gray! And flash had nothing to do with that.