The keeping a cockerel or rooster issue when it comes to BYC is a bit of a mess.
There are countless posts on "rooster issues" and not one single post that I've read seemed to be a problem with the rooster. It's almost always the keeper and the keeping circumstances. What's even stranger is people take the advice of those who obviously can't keep roosters because they keep killing them. If I'm looking for advice I look for advice where people have managed to achieve the result I'm after; not the people who've failed.
I've explained to a number of people on such threads how to resolve the issues, some step by step via PM and almost always they do a bit of what I advise. It's not a do a bit type of solution usually. You have to take all the advise, or none of it.
For some reason the whole business turns into a drama fest and one begins to realise that there is no way in the world these people are ever going to successfully keep males in their groups.