Of course. Always keep your hands to yourself, never take them off the bars.
It was a stupid thing to do. If someone else had done it, they'd probably have been left off, but Moscon has a reputation that means he'll be judged based on that, hence the disqualification.
Give a dog a bad name.... doesn't look like he made contact to me either but he should know by now he's a marked man, especially by the French riders.