Overfitting, no need to argue about anything I think?
The rest of the article seems to echoing people's misunderstanding of pretty elementary stuff.
If it is possible to cheat on the benchmarks used to judge AI performance, how can the general population be certain that any of the AI "innovation" is genuine? Is there true development here worth the many-billion-dollar investments, or are we seeing an industry-wide case of them doing a Theranos by faking the results and hoping they can do real innovation before anyone finds out?