Even the weak version falls apart under scrutiny. Here's a nice example of this: https://cpb-us-w2.wpmucdn.com/web.sas.upenn.edu/dist/4/81/fi...
This is a good example of a case where there was a phenomenon (a language prominently using non-speaker-oriented direction terms, and correlations with real-world behaviour of speakers of that language) which seemed to support a weak version of SW, but it turns that seemingly supporting evidence was really just a by-product of the testing environment.