No, my statement is true regardless. There is ALWAYS an antenna detuning. Often it's not enough to affect call quality. It always affects data speed, though not always enough to matter to the user. That's why it's called a "trade off." As I said, the tradeoff is not worth it to me (because I lose calls). It may be worth it to everyone else.
No. There is always a detuning if you :
A) INSIST on holding it a particular way
B) INSIST on not having a case.
What is frustrating to so many of us is that people keep insisting this is a problem for everyone. It isn't. There was an even objective study posted here that shows why it isn't.
I am very happy with my iPhone and recommend it to everyone, if they get a case. It gets better reception than my 3GS. On my way home from work I pass through several dead zones for my 3GS. My iphone 4 has yet to drop a single call driving through them.
That doesn't make me a fan boy. Or stupid. It makes me a happy customer.