[brunoff]

I believe they try to put newer content first in order to make a more fair distribution of views. If you order results by popularity on yt, you will see that it uses just an "order by view count desc" (no relationship with like/dislike ratio), which is bad because it keeps popular some not so good quality videos published on first yt years.

[tracker1]

Worse still, imho is that it may not be a popular video I'm looking for. I really wish they'd factor in a "I have viewed" for results.