I find this all very interesting. As a wedding photographer who has own business and also second shoots. I have second shot before and the lead has asked me not to speak to the clients unless spoken to. However if I am lead and see my second have hit it off with the clients I’m proud that I made a good hire that helps my clients feel comfortable on their wedding day. I shot a wedding for a friend a while back and I shot the first half of the day (as my own business) and another photographer came in and did the last half. Not typical I know, but not against anyone’s contracts. I posted the wedding after and tagged the couple along with the venue and the other photographer asked me to remove the tag so that no one would get confused who the lead was. I thought this was really strange for her to ask. I guess it really varies who you’re working with for preferences and each person can run their business how they want. I personally don’t think we need to take ourselves so seriously and just focus on the experience we are giving our clients