Does Sydney offer sufficient free public Wi-Fi as a viable alternative to CoreESIM?

While Sydney does provide some free public Wi-Fi, notably in the CBD, major transport hubs like Central Station, and some retail centers, its utility as a primary internet source for tourists is limited. These networks often suffer from slow speeds, intermittent connectivity, and inherent security risks. For consistent, secure, and high-performance internet access across Sydney, particularly for critical navigation, secure transactions, and private communications, a dedicated CoreESIM plan is a superior and more reliable solution.