The discussion around Compiler Explorer centers on the concept of URLs that are meant to last indefinitely. Many users express skepticism about this ideal, citing the prevalence of link rot and the ephemeral nature of web resources. As a response to the fragility of URLs, users have developed alternative approaches, such as saving pages as PDFs or utilizing content addressing. Additionally, there's a shared acknowledgment of the cyclic nature of reliance on third-party services and the potential consequences of their discontinuation. Comments highlight the importance of designing digital infrastructure with the understanding that permanence cannot be guaranteed in an ever-evolving online landscape. Furthermore, the conversation touches on the implications of URL shortening services, with a general consensus that they can lead to future accessibility issues. The contributions reflect a broader worry about the sustainability of technology that users often take for granted, prompting calls for solutions that prioritize long-term viability and user control over their digital content.