2027: the companies providing the logins must provide government with the identities
2028: because VPNs are being used to circumvent the law, if the logging entity knows you're an Australian citizen, even if you're not in Australia or using an Aussie IP address then they must still apply the law
2030: you must be logged in to visit these specific sites where you might see naked boobies, and if you're under age you can't - those sites must enforce logins and age limits
2031: Australian ISPs must enforce the login restrictions because some sites are refusing to and there are loopholes
2033: Australian ISPs must provide the government with a list of people who visited this list of specific sites, with dates and times of those visits
2035: you must be logged in to visit these other specific sites, regardless of your age
2036: you must have a valid login with one of these providers in order to use the internet
2037: all visits to all sites must be logged in
2038: all visits to all sites will be recorded
2039: this list of sites cannot be visited by any Australian of any age
2040: all visits to all sites will be reported to the government
2042: your browser history may be used as evidence in a criminal case
Australian politicians, police, and a good chunk of the population would love this.
Australia is quietly extremely authoritarian. It's all "beer and barbies on the beach" but that's all actually illegal.