It wouldn't have occurred to me, but you're probably right.

Undisciplined

Fair.  And I suppose some algos will bias against older content.  

The dynamics may be somewhat like clickbait.  Many well-intentioned content creators are still forced into using clickbait images and titles, because they'd have much lower viewership if they didn't.

SimpleStacker

Design

On hiding the creation date of internet content

Sometimes people are dismissive of things because of when they were written. If you want someone wanted their ideas judged purely on their content, I can see omitting any extraneous details.