I agree re: favoring Oxford comma, but I don't think this reasoning supports it. Jane && Tom || Bill && Wendy || Susie && Frank is unambiguous in e.g. C++, as

I agree re: favoring Oxford comma, but I don't think this reasoning supports it. Jane && Tom || Bill && Wendy || Susie && Frank is unambiguous in e.g. C++, as the language specifies operator precedence. The inclusion of parentheses is a question of style, not correctness. OTOH, omitting commas can rely on context and subjective reasoning.