The post discusses immigration-related concerns raised by a Canadian immigration attorney for startup founders and workers, addressing the complex challenges they face when seeking temporary or permanent residency in the U.S. Key points include the risks of detention resulting from a TN visa denial, the implications of choosing H1B or H4 statuses, and the options available for foreign founders, particularly from Canada and Australia. Additionally, it touches on concerns regarding legal battles against citizenship status and the necessity of meeting educational requirements for skilled worker visas. This highlights an urgent need for nuanced understanding of U.S. immigration law in high-stakes scenarios.