You happen to have a social circle that doesn't have any issues with cyclists, perhaps there are a number of them in your group.

But there are almost assuredly social circles that feel otherwise, that revel at the opportunity to roll coal as they pass a group of cyclists, that joke about running them off the road.

A quick google indicates there have been numerous studies on the subject that seem to support the idea that bicyclists are often reviled by some portion of the population, correlated with those who rely heavily on automobiles.

And, I mean, just scrolling this thread seems to show plenty of anecdotes to support the idea. Seems pretty systemic given the breadth of the anecdata.