No, Futo, I don't think that the future will see increased use of optics by serious defensive shooters, and that is what IDPA is all about.
A "box" has nothing to do with practicality, it merely measures size. Size may be one factor in choosing a weapon for self-defense, but it certainly shouldn't be the most important one. Any rule based on a "Box" would make size the most important thing, thus undermining any logical corelation between the rule and the intent.
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