Like everyone has said, you will get people for and against. It's another one of those debates that will go on for a long time unless they start doing it as routine when the baby is born you will always have to make the decision.
We didn't get DS done, & yes DH is!!! I don't think it's exactly a gd reason to choose to do so to look like Dad to avoid explaining it down the track. When a child is at the age that they want to know why, you will also be explaining many other things......that's just the way of a child. When they are old enough they will understand the difference. And yes they may see Daddy's and wonder why their's is different, but Daddy's won't be the only one they see & unless you love to run around the house naked all the time LOL (would if I could) they will prob see the boys at school, footy & so on more than anyone else's and start asking about that too & that's just something else you will need to explain. And it seems less & less people do it these days so they would definately feel different there. Anyway, I don't care if people do or don't get it done, it's their choice but IMO for that reason it seems a bit silly.
We had the discussion at our Mum's group just the other day & at the time there were 5 little boys there all the same age & only one of them was done.
Also when a doctor refuses to do something & you have to actually find someone who will do it as not many do, that doesn't sit well with me either. But again, whatever you decide it's your decision & it will be right for you. I would love it if it was either routine at birth or not done at all, that would cut out one of the tough decisions we have to make for our precious little ones.