We'll see how it plays out but I am at least heartened by sections e and f, especially as they explicitly mention photo based methods of age verification earlier in the bill, which means you don't necessarily have to provide ID.

Age-verification and age-estimation methods

(2) Before prescribing any age-verification or age-estimation method under paragraph (1)‍(b), the Governor in Council must ensure that the method

(c) maintains user privacy and protects user personal information;

(d) collects and uses personal information solely for age-verification or age-estimation purposes, except to the extent required by law;

(e)  limits the collection of personal information to what is strictly necessary for the age verification or age estimation ;

(f)  destroys any personal information collected for age-verification or age-estimation purposes once the verification or estimation is completed ; and

(g) generally complies with best practices in the fields of age verification and age estimation, as well as privacy protection.