I agree with Previous. If no-one is allowed to touch other's work, it makes it very difficult to make a really good, growing work. for example, the flooring has been altered many times, but no-one's complaining about that. The principle is more or less the same.
Probably not the best time to post this, given the current debate, but it seemed right, even if I'm not very good at spriting:
Probably not the best time to post this, given the current debate, but it seemed right, even if I'm not very good at spriting: