Ready for everyone to come at me, but...

Agree with you, but better a cutesy name than a dreadful one.. Hunni-Crimplene or whatever doesn't work at any age.

Totally agree.
I've never actually called my daughter by her full name but at least she has the option when she's older.

Is it pronounced Ray-fee?

I know a Ralphie, he's 3, & I totally agree with you OP! Fine for a baby/toddler/child but once he gets to teens/adult it's a bit babyish

Yep. I suppose that if, like Alfie or Archie, it becomes quite popular then it won't be so bad as there'll be lots of them (also, in the case of Archie, Archibald is no real improvement) but, generally I agree.

It's even worse with girls' names. A name which will get people cooing "Awww, so cute xxxx" on Facebook might not be well appreciated by a 40 year old accountant/teacher/police officer.

Very few people are going come at you; your view is shared by most people on Mumsnet. The problem I have with this thought is that the -ie/-y nickname as a full name trend is an incredibly popular one, has been for some time and shows no signs of decreasing in popularity. In the top 100 in England and Wales in 2020 are Harry, Archie, Charlie, Freddie, Alfie, Tommy, Teddy, Albie, Reggie, Ronnie, Frankie, Bobby, Sonny, Ollie, Rosie, Evie, Elsie, Millie, Maisie, Hallie, Molly, Lottie and Ellie. And many many more further down the rankings. This means that the 'but what about when they are an adult?' question doesn't really make any sense as there will be literally thousands of adults with these names. Of course names will work for adults because of the volume of adults with those names.

That doesn't mean you have to like them. Personally they aren't the style of name I would choose, but I don't assume that my taste is the correct one. Does the friend of friend know you are ridiculing her new baby's name on an online forum?

While I sort of agree with you, I think Ralphie only sounds worse because it's not very commonplace - I suppose logically it's no different to all the other y/ie ending "nicknames as given/BC names" so popular now - Archie, Alfie, Teddy, Frankie etc.

I think they often sound too cutesy for some/many of us to imagine on adults now, but at this rate by the time these kids are grown up, those sort of names will be everywhere (so perhaps it then won't feel unusual meeting a 30 year old Ralphie). If not, I'm sure he'll just claim ignorance and say his name is really Ralph.

I always advocate for giving them the Full Name officially - our son is known by a name that he may or may not want to keep as an adult, but has the full length version on birth certificate, passport etc.

But it will be shortened to Ralph.

Well they don’t suit a grown man now, but in 20/30 years they will, because huge numbers of them will be called ‘cutsie’ names.

I agree. All these cutesy names like Archie, Alfie, Charlie, Teddie, Ralphie may suit a toddler but not necessarily a grown man.