Definitely would be way better than a 4x8 sheet of plywood on saw horses. I've always been weary of welding on those or even the air lift ones because of the rare possibility of it arcing on the cylinder, rendering it useless.
I think when I copy links from the youtube app on my phone it gives the goofy link. Never an issue from my PC. I usually open the browser on my phone, then go to youtube.com (not the app), and copy the address from the top of the screen.