Wow well you've met some very immature postgrads then.
OK well I think I have made my point. I strongly believe that an older student with a bachelor's degree and a postgraduate qualification, be that JD, LLM, or GDL, is more desired by and attractive to employers, both in the US and in the UK, but especially in the US where that is the standard route into a career in law.
In the US a person with a JD is hired as a full lawyer, whereas in the UK they are hired as trainees, and still must do a 1 year BVC or LPC. So if you think about it, it's still 3 more years past LLB to reach the level that a JD graduate in the US does (BVC/LPC plus standard 2 year training contract).