The relaunch of Cruise signifies GM's commitment to advancing in the autonomous vehicle sector, despite the recent setback. The expected expenses of $1.7 billion indicate significant investment in the project, which could impact GM's financials in the short term. However, the focus on safety and regulatory compliance, along with exploring funding options, could mitigate negative impacts and potentially lead to positive developments in the long term. The resumption of operations in Phoenix and plans for gradual expansion show a cautious but forward-moving approach.