One could just live in the real world where you don't know or care what a finsta is.
Movies and movie conventions. Baseball cards and other popular collectibles. Sport events. Music events. All those things are just "corporate pseudo-cultural productions". Yet they're also the culture, because - for better or worse - commerce is part of our lives too.
And I am saying it is enormously productive and beneficial to be skeptical of those things.
Here, I rewound the comment 25 years for you.