About the application of pest analysis method. (Details to be determined)

Definitely applicable.

The analysis model is just a tool to help people explain the problem more comprehensively and systematically. Even if you don't use this model, you will still analyze the problems involved. Don’t dwell too much on whether PEST is feasible or not. Think more about what specific situations should be analyzed and how to analyze them thoroughly. Let the model serve as a reminder for you, and then it all boils down to the model.