the.com/mainstream

Yesterday's underground, filed and sold back to you with better lighting.

means The ideas, tastes, or trends that most people currently accept and follow — the cultural default.

from Literally the main current of a river, as opposed to the backwaters and side channels — the part carrying the most water and the strongest flow. English speakers started using it figuratively in the 1800s for the dominant current of opinion or culture, the one too strong to paddle against.

origin
literally meant the main current of a river
paradox
the moment you name it, it stops being cool
irony
everyone claims to hate it while streaming it
function
turns subculture into product, quietly, always
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