Made it 37 seconds into this. From the horses mouth so to speak:

"[Drivechain is a result of some Bitcoiners] to want to have more creativity and innovation, and to try things out."

Nope.

No.

Why?

Here's the litmus test:

---> Does any core upgrade improve Bitcoin as the hardest, soundest money ever? (Scarcity, portability, durability, fungibility and recognizability [verifiable, permisionless])

If not, then immediately no.

Immediately no.

Bitcoin is money. Period. Any "upgrades" must be upgrades to its principles as money.