Bad look for Phil's sponsors. Won't surprise me if many dump him, costing him tens of millions of dollars or more. (Tiger, e.g., lost $50 or more million per year when his troubles surfaced.) Phil certainly fell a lot in my esteem.
As Pete Pittock showed, the rules clearly state the penalty for hitting a moving ball. 2 strokes. Not a word about disqualification.
How can that same act then be grounds for DQ? That would mean there are two possible penalties for hitting a moving ball: 2 strokes or DQ. If that's true, which rule applies, under what circumstances, and why? How does anyone, including the rules committee, know what to do? Does similar reasoning -- i.e. choice of penalty or DQ -- apply to any other infractions?
You may feel hitting a moving ball is a serious breath of etiquette. But then why have rule 14-5?