This type of thing pops up quite regularly doesn't it? Editor of the luxury 'Richmond Magazine' writes about how much he hates cyclists, reverting to type after enjoying watching the Olympic cyclists (which ties in neatly with a cc article I was going to write today).
Not sure I can get too worked up about these things, save for if the subject of his homicidal thoughts was a racially alternative person (I may try to sell 'RAP' as a new politically correct term - I wonder how much of a charade I could create that it eventually got coverage in the Daily Wail?) it would basically be a hate crime of some sort (probably down the lines of incitement to hatred).
The magazine's cycle shop advertisers may not be massively amused.