> Is it some type of candy that looks like the fruit?
No, they are a variety of blueberries.
> Why is it on-topic?
It would have been better to post something about how they were bred, but I just ran across them on that site and wanted to post. They look, as you said, like candy, and I thought that was weird and interesting.
Edit, just found this from 2023: https://fruitgrowersnews.com/article/pink-cosmo-berries-a-hi...