Rules clarification/feature request re: artificially deflating rating by playing too quickly

Occasionally when playing rapid, I come across players who blitz out moves the entire game and end with the same amount of time on the clock as they started with or more. I would argue that this behaviour:

a) Lowers the quality of games for those who are queueing with the desire to play at the specified time control and

b) Breaches the spirit of the fair play guideline: 2. Artificially inflating or deflating your rating. This is where a User purposefully loses, or has arranged with an opponent to win. As a result, the User’s rating will artificially increase or decrease.

I do not feel it is appropriate to consider playing in this way a direct violation of fair play rules. However, I think attempting to reduce the extent of the problem could be valuable for players like myself who are looking to play serious games at slightly slower time controls.

One suggestion I have is to perhaps have a chat pop-up (similar to if a player aborts) at the end of the game along the lines of "This game you used significantly less than the time available, consider joining games at a faster time control".

Perhaps the problem is not that widespread, but from my anecdotal experience over the last year, it is fairly common.

These players are not playing with an intent to lose, i imagine artificially deflating rating would involve (for example) losing 20 or so games consecutively with a previously steady rating with dodgy moves such as queen sacrifices every game. For the games you are talking about, try to use it to your advantage! But everyone will have their different play styles so it would be impossible to change the way some players play.