Leading technology companies raise concerns about the proposed UK ban on social media use for children under 16. According to reporting, firms warn that a blanket restriction could fail to achieve its stated safety goals by pushing younger users toward other online platforms or channels that may be less regulated. The companies argue that limiting access to mainstream services does not necessarily remove opportunities for children to connect online; instead, it may change where they go and what protections are available. The warnings also suggest that compliance and enforcement would be difficult, given how users access services and how online content is distributed across platforms. The proposal is framed as a measure to protect children from harmful content and risks online, but the companies’ critique focuses on unintended consequences and the possibility that overall protections could weaken if children migrate to alternatives with fewer safeguards. The reports present the debate as part of a wider discussion over how best to regulate children’s online activity while maintaining enforceable, effective controls.