Vendor lock-in occurs when businesses become dependent on a single vendor's technology suite, limiting their flexibility and adaptability to new tools and technologies. The text argues that all-in-one suites often fail to meet unique business needs due to their inherent limitations, as they can stifle innovation and lead to wasted investments in tools that are not fully utilized. With the rise of composable platforms, which allow for greater flexibility and the integration of best-of-breed tools, businesses are encouraged to break free from vendor lock-in to stay competitive. Composable platforms like Contentful offer an alternative by enabling companies to select and integrate the most suitable tools for their specific requirements, fostering innovation and reducing long-term costs. The text advocates for a gradual transition to composable architectures to maintain a competitive edge and adapt to the rapidly changing technological landscape.