I faced situations like this answer: "Whoever kills a person.." This one looks like create debate.
And a better example: Is it halal in Islam to work as a web/graphics designer? Question and some answers( and deleted answers, like @saadet 's ; deleted by @goldPseudo) seems like create debate. However, this is a SE site and if you have resources to disprove claims made by original poster(OP), you should answer it.
There are different approaches to Islam, and every point of view should be represented on answers. This is the scientific way to approach. And it could be in different answers, because not everybody knows about ever point of view. Instead of deleting answer, debate like comments should be eliminated. If I have resources I should able to add this resources to answer.
Another thing to add this, in this question questioner claimed something like "..we know animal picture and others are not halal.." and ask questions based on this. However, OP doesn't prove his claim. If there is a way to say this is wrong, in one answer, this should be represented. We cant just accept every claim here without prove. It seems to me, if someone says "water is not exist on earth, and so i have to go to mars, tell me which way is?" and if i have a proof which shows water on earth, shouldn't i add this to answer? Yeah, I know he wants to learn ways to mars. My answers irrelevant to last point of the question, but if question somehow start from wrong information, I should able to intercept and add information there.
Another example for this view is; if I ask question like "We know there are two Gods in Islam, can I worship to one mornings and other one to afternoon?" Users of this site shouldn't intercept my first believe then try to answer afterwards? I can't see any of benefits of this approach. Can someone enlighten me?