Is it me or are they becoming more prevalent? I moved to Australia 4 years ago and they are RIFE here. I was constantly confused by the high-pitched voices and thought "Is this part of the accent?" But I've realised it isn't. It's a forced, high-pitched squeak which some women do.
I know some women naturally have high, young sounding voices but I can tell the fake ones a mile away.
I HATE THEM so MUCH! Speak properly for God's sake!