Exactly the opposite, actually.

>So, now you're application works differently than 99.99% of all the other apps out there. Sounds like lots of frustrated users.
>
>>All well and good ... but for the single editbox that this applies to, 99.99% of the time when the user clicks on it, they will want the entire contents selected so that they can replace it.
>>
>>If the user wants to edit the text there (most unlikely), they can click again where they want the cursor.