Edward Markey actually said...

Will you commit to placing a label on your product indicating that the product isn't intended for children under the age of 16?

Will you put in place social media restrictions so that those under 18 aren't bombarded with instructions to rapidly or excessively consume ...

A 13-year-old and an 18-year-old are just two different species almost in terms of their level of maturity.

It creates a culture that makes it more likely that it is just part of what you should be thinking about doing.