It’s worth making whatever kind of submission you can manage for this. The page even specifically notes: “Due to the short timeframe of this inquiry, the committee would appreciate submissions being limited to 1-2 pages.”
This bill will affect all users of social media in Australia, and may have a particularly negative effect on Fediverse platforms (like Lemmy and Mastodon) which are operated by individuals or small organisations that may not have the resources to implement age verification.
Yo, kind sir/ma’am are doing gods work. Such an epic and well reasoned submission.