In a past life I did somewhat serious cycling in rural Georgia as training for triathlons. So everything I'm about to say is with the caveat that it's my person

In a past life I did somewhat serious cycling in rural Georgia as training for triathlons. So everything I'm about to say is with the caveat that it's my personal experience in one small slice of America. Myself, and everybody I rode with, had stories of objects being thrown out of windows from passing cars in an attempt to hit you. Mainstay was was bottles but a friend did have a phonebook thrown at them. We laughed about that one...who has a phonebook these days and who keeps it in their car? Had cars stop and try to start fights as well. Consistently though, both while on the bike and in my social interactions with others, there is a close association between cyclists and liberals. The cycling was a visible qualifier but the anger, and not surprisingly, dehumanization, was driven more by their political and social leanings than any truly inherent dislike of cyclists.