When reading the answers to questions here on Portuguese SE, it's possible to find answers that don't really take the question as whole, but just complements another answer by adding more information that wasn't included by anyone yet.
To be honest, I do usually do this, but only to prevent repeating the same information already told by someone, and always including an "adding to what XX said ...".
But what would be the PLSE's community opinion? Is it considered a good practice, it doesn't matter, or it should be avoided?
