Maybe you are being downvoted because you find it understandable that people are joking about murdering bicyclists in front of this guy. It is possible to have

Maybe you are being downvoted because you find it understandable that people are joking about murdering bicyclists in front of this guy. It is possible to have a data-based debate about whether bicyclists increase the rate of accidents and even about whether an appropriate response would be to ban them. Many people feel strongly about this subject, but it is not taboo.