I remember that. I really liked watching Machida.D...You had me until you said this. Again. Why rail against entire "systems"? It gets you nowhere.
All styles can work. There's no style that doesn't have at least one person out there who train it correctly including sparring and prep for competition. And by one I mean many. Are there karateka that don't spar? Sure but there are also BJJ schools that don't. Those people aren't equipped for confrontation, right?
Each art out there has it's scions and poseurs.
There isn't a style you can name that also can't also find full contact fighters in. I remember early UFC when karate of all things was said to "not work anymore".. That didn't age well. When I saw Lyoto Machida pull off a classic White Crane technique for a KO, I laughed so hard.
I've never seen or heard of a BJJ school that doesn't roll. I can't imagine it. Might be some that never start from stand up, but I've never seen that either.
Had a discussion with a gal coworker a long time ago. She was a brown belt in Karate, about to be tested for her first Dan. I forget which style her school was. I was teaching American Karate at the time. She seemed to know everything, so I asked her how much sparring they did.
She told me she had never sparred. She then went on to say "I've never actually seen sparring."
I was truly at a loss for words. I just politely nodded from that point.