Lately my mail's been showered with credit card offers so that it's starting to look like 2007 again when I'd get something from Capital One everyday (by the Great Recession those totally stopped). Yes, I'd get a few for Discover.
I'm actually a terrible prospect for credit cards. I've used the same USAA personal card for maybe 30 years. I also carry a different card for business expenses. I've had that one for 20 years. That's all I have or need.
Also noticing more infomercials for house flipping seminars. Those peaked in 1999 and 2007... signs of economic overheating.
My own company takes credit cards so I can see which card is most popular (Visa) and which is least (Discover). MasterCard has been declining for years. Quite a few use Paypal. PYPL has strongly beaten DFS