I think it has to work with the rest of the food in order for them to slowly appreciate it.
When I was young, I used to dislike too, but as I grew up I found a way to enjoy them through grilling.
I think I am not sure have I ever shared here before; but I might just post it again.
Hence it is very different when you plant your own capsicums. They are a lot smaller than the industrial size, but the taste is different.
More like a bit towards sweet jalapenos.
(and I always use capsicum with lamb and onion and stir fry it with pasta when I was in Australia haha)