"These videos come from YouTube. They were uploaded in the last week and have titles like DSC 1234 and IMG 4321. They have almost zero previous views."
That is from the initial page load. So it would seem that the title pattern that you observed is intentional
It's probably a strategy to find videos that were recorded IRL by real people.
There's a ton of content on YouTube that's generated automatically, as well as marketing videos, screencasts, etc. but those are not going to be nearly as interesting as something that someone recorded and uploaded by hand.
That is from the initial page load. So it would seem that the title pattern that you observed is intentional