Yup.
Or even grab and hold onto the key while talking to him.
Stuff like this just encourages other riders to gun it whenever cops are around. I doubt those two cops were fellow riders - if they were, they may have been more considerate about not causing damage to the bike.
Reminds me of another story:
https://www.cbc.ca/news/canada/hamilton/motorcycle-police-video-1.5794427
The worst part is the time, money and effort spent trying to undo all that damage : /
