Advantages are currently used in IBJJF to break ties and reward near-successful attempts.

When a competitor nearly applies a submission but the opponent escapes, should an advantage be awarded?

Partial guard passes or sweeps that don't fully complete — should these earn an advantage?

Like fingers inside the sleeve or pants.

For instance to escape mount

Athlete weighs in immediately before stepping on the mat and is disqualified if they are over weight

Back control points are awarded for demonstrating good alignment and dominant control on the back. Arm positioning is already irrelevant, leg positioning should be too. Double hooks to score is a completely arbitrary standard Body triangles, locked bottom side hooks, top side hip posts, and arm traps are just a few examples of valid and in some cases superior control methods which do not score. Points should be awarded based on secure attachment to the back alone, regardless of how you use your legs to secure it.

Like in Judo, should a 20 second pin win the match?

When the match is tied after regulation time, should competitors go to an overtime or sudden-death round?

If overtime does not produce a winner, should the referee decide the match based on performance?

When a competitor refuses to engage or actively avoids the match, should they receive a penalty that deducts points?