This law has existed for some time now and is nothing new. In the world we live in now law enforcement officers have to choose what to let go and what to enforce, too many laws - too many idiots. If they were to enforce every vehicle law in the books they would never get more than 1 mile from the barracks/station and spend their whole day there. This will never become a problem for cyclists as I doubt they will ever waste their finite resources going after the cycling community.

Over 3 million cars registered in Mass in 2010 and 1500 uniformed troopers, this will be very low on their list of things to do.