The Scottish government has successfully defended a £50 million lawsuit filed by Biffa, a waste management company, over a failed bottle return scheme. The case centered around a letter from former Scottish Greens co-leader, Lorna Slater, which Biffa claimed guaranteed the scheme's implementation, leading them to invest significantly. However, the court ruled that Biffa's interpretation of the letter was 'wishful thinking' and that the company should have sought more information about potential legal hurdles. The judge, Lord Sandison, also denied Biffa's claim that the Scottish government deliberately concealed issues with the Internal Markets Act, which ultimately led to the scheme's failure. This decision highlights the importance of due diligence and the need for companies to thoroughly assess risks before investing in government initiatives. The controversy surrounding the case has sparked discussions about the powers of self-governing nations and the role of Westminster in such matters. The Scottish Greens have criticized the outcome, emphasizing the need for Scotland to have the same powers as other self-governing nations. The case serves as a reminder of the complexities and challenges inherent in public-private partnerships and the importance of transparent communication between government and business.