"Some of you might have concerns that chlorine gas will develop, but because chlorine is so reactive, and because the salt solution is dilute, it’s safe for this setup."
Yes, as the text in the part I quoted says "dilute" now as well. Which is good as there are many "bucket chemists" out there, people who think, why add a pinch as more will be better and quicker mindsets kick in.
Not sure if that was added later.