PT is not a crap story. PT is a very good story with crappy execution.
I will say that from a conceptual point of view, TPM has a better story than TFA. What makes TFA the better movie, however, is its execution. Better dialogue, natural humor, actual character development, attention to detail.
TPM could have been a fantastic movie by something as simple as rewriting the dialogue and putting less emphasis on the confusing trade dispute idea. The story concept is a very simple, good one to start off the saga. A peaceful planet is invaded and a band of heroes need to work together to free the queen’s people. Sounds very star warsy when you just hear that. It’s all in the execution.