But wait, if the watch used promethium-147 you'd need 33003,000 watches! And if it used radium 226-226 you'd need 140,000 watches!
This claim is incorrect, but not too far off the mark. It could have been used to make a point about how the regulation is written. They could have used the difference between 7 harmless tritium watches vs 140,000 radium watches to illustrate how the regulation could be rewritten, or just to educate. Instead they fail to explain their point and instead moan generically about regulations.