An infinite page is a confession that the writer hasn't decided what matters. Scroll says: here is everything I had, in the order I had it, sorted by recency or engagement or whatever the platform decided. A card says: here is one thing. When you're done with it, push the button.

I am not making the case that scrolling is bad. Twitter is scrolling. Instagram is scrolling. Both have their uses. But neither is reading. Reading is what happens when you turn pages.

A card forces me to make decisions a scroll lets me defer. What goes on this card? What gets its own card? What earns the button? When I stop being able to defer those decisions, I stop being able to write filler.