>>And yet we seem to have a party here which thinks "must not be negative" sounds too complicated to their users. Is it that you and I are just lucky, or what?
>>
>Mike's point about simplicity is valid and he has the data to back it up in this case, so I respect that and in most cases I'd opt for simplicity too.
>Simplicity isn't the only objective I have, though.
>
>If simplicity were the key objective then
>
>"You look nice" (1)
>
>would be more valuable than:
>
>"Shall I compare thee to a summer's day?
>Thou are more lovely and more temperate" (2)
>
>History has decided that one for us.

Indeed. Number of babies resulting from men saying (1) - at least hundreds of millions, probably billions. From saying (2) - pfft, far less than 1% of (1) would be my estimate.