The stickiness is probably just that. Even as they raise prices, it's still less than we're paying for pretty much anything else. Gas, electricity, food, housing. Cut Netlix and well great, I just reduced my monthly spend from $5000 to $4980. Really making a dent there. I can retire comfortably now. It's almost as patronizing as the old avocado toast thing. Avocado toast might be overpriced and nowhere near worth it, but it isn't the reason anyone is broke.
But, yes, if you're either poor or optimizing points on an airline or whatever is sort of a hobby, then sure. But otherwise, it's just not very interesting to many of us and involves mental overhead we can just live without.