Sarah, do you think it's a case of being close minded, or mindful of one's own safety?
I've ridden my lovely mare with several stallions over the years, and they were gentlemen, but the riders were very experienced and watchful. I have had the unfortunate experience of riding with one stallion and rider that were not. Made for a very tense ride. I have never ridden with that particular stallion since.
I'm not Sarah, but in my friend's cases it's closed mindedness. I understand if you have a bad ride with a certain horse/rider combo not riding with them again, regardless whether it's a stallion, gelding, yeld or mare. But these individuals refuse to ride with any stallion....PERIOD, if they know before hand that one is coming on the ride the will stay home or go on another ride. They both know all 3 of my stallions, have known them since birth and know how I train them. Doesn't matter. Heck these 2 are so closed minded about stallions, they don't even like to come over to my place, especially not during breeding season, just because the stallions are HERE. Never mind that none of them has EVER done anything to one of these women, they just absolutely are terrified of stallions. They loved my boys and enjoyed playing with them as babies, but as soon as they turned about 1 year old....that's it, won't come near them anymore. One's now 5, the other 3 and another 2, so it's not like they haven't been around them.