i'm sorry but if you get tangled on the "DSMB line on the way up", you're not on my list of divers i will "trust when things go south", that is a basic skill
same as not hitting the bottom with a clunk and touching things
as for the "other guy" you dive with, no thanks, i'll stick to my dive buddy lol
All I'm really saying is that these are people who don't panic when things go wrong. I like people like that better than people who are concentrating on how they look. Would I deliberately go into deco on an al80? Nope. Don't want to go into deco on 2 al80's. But that guy and his family do....over and over.....day after day, year after year. When the fan is hit, guys like that are good to have with you.
Trim and bouyancy isn't about "looking good"...it's about being in control.
The folks in that video are flat out incompetent...even the nice posters her will agree with that. Not being in control of bouyancy is dangerous, especially on rebreather. Don't defend idiots, unless you have already joined their ranks.