Alibaba's board approval for the exploration of an IPO for Cainiao Smart Logistics Group and the execution of an IPO for Freshippo indicates the company's confidence in these subsidiaries. This could potentially unlock value for Alibaba shareholders, as successful IPOs may increase the overall value of the company and its stock price. The news is highly relevant and important for BABA investors, and the confidence in the analysis is high due to the direct impact on the company.