I watched the same stream and you're right, he commented 2 or 3 times on this. It's Tony Gale, who played nearly 300 games for Fulham but still called it out.
Using VAR to check the validity of head injuries seems a good solution to me. The game is stopped anyway and all VAR has to do is tell the ref he's faking and to go and watch the slo mo on the screen. It's a no-brainer so the perfect role for which to recall Lee Mason as "head injury assessor"...
You know very well that you cannot expect all footballers (or even many footballers) to play fairly by the rules. You've surely seen enough of Zaha and Grealish swallow-diving to know that. So it has to be up to the officials to clamp down on it. Tackles from behind and over the ball tackles are...