Originally Posted by Adam1222

Maybe. But maybe this has causation confused as it's not clear these garbage blogs ever had anything to do with high value mileage programs. Blogs proliferated because of the growth of credit card marketing profiteering, encouraged by people like Randy, with no relationship to the actual value of frequent flier programs. Quantity over quality, blogs by people who have never leftthe lower 48 except one time using miles from a credit card signup, etc.
The credit card marketing model and the blogs pushing it to the masses who will never be frequent fliers is a factor in the devaluation of mileage programs, not vice versa . Some bloggers have made a living off of selling credit cards and helped kill the benefits of frequent flying.