The primary concern revolves around Microsoft potentially taking advantage of open source contributors by pretending to collaborate while actually planning to use their work to create competing products. Several open source maintainers express distrust towards corporate interactions under the guise of collaboration, suggesting that they often end with exploitation rather than mutual benefit. The discussion highlights the importance of license choice for open source projects, pointing out that permissive licenses could lead to unintended consequences, such as projects being forked without acknowledgment. The need for a new type of community-driven open source license is proposed to protect contributors' rights and maintain community integrity.