Students - it might be an idea when you request help, info or opinion on a subject that you also post your own thoughts on it ... that's what makes this a discussion forum.
i.e. instead of asking 'I am doing a thesis on XYZ. What do you all think...' you could as easily say 'i am doing a thesis on XYZ, my views on it are 1,2,3 - what do other people think on these points or do you have anything else to add'
I believe this will engage the sage within the professionals here to help you flesh out your arguments, whereas a lazy question will very likely be skipped over.
Perhaps a sticky notice to this effect will drive home the point?