I didnt realise that this was an issue. Wouldnt posting on multiple sites increase the chance of getting a varied response?
Well, it isn't a *major* issue. The problem with crossposting (even with different sites) is that you are wasting people time and effort. You can think of it as "getting a varied response", but what happens if the response is the same, just worded differently?
Anyway, IMO, it isn't a major issue, and most of the moderators don't even bother with it at all. Personally, it doesn't bother me at all... but as you can tell, it is an issue with some users. And most likely, it is because they wasted time answering questions in the past.
Henry