I don't know their methodology, but you can double check their results yourself. If 3600 responses is too much to go through, you can do a random sampling of a smaller set. I've looked at the first 10 submissions from individuals. 8 of them are opposed to the law, 1 is unintelligible, and one thinks the law, as proposed, doesn't go far enough.
Alternately, you can try to find reports on this consultation from some media that you trust. Though you may find they are all silent on it.
I don't know their methodology, but you can double check their results yourself. If 3600 responses is too much to go through, you can do a random sampling of a smaller set. I've looked at the first 10 submissions from individuals. 8 of them are opposed to the law, 1 is unintelligible, and one thinks the law, as proposed, doesn't go far enough.
Alternately, you can try to find reports on this consultation from some media that you trust. Though you may find they are all silent on it.