I'm sure that the comic wants to be sarcastic but is missing the mark here. This is how science works. Trying and failing every color except green, does not mean that the green experiment has an invalid result.
The author is not understanding that each experiment is independent.
The correct cartoon should show researchers trying green jellybeans 100 times, with 99 negative results and one positive result, and then the press keeping only the positive (Or in this comic, claiming that all jellybeans produce acne).
Mocking the scientific method, and showing scientists as lazy people that play video-games is funny, but is just a cartoon, not the reality. People should not take XKCD as god's speech without any critical thinking. This in your workplace says to me "I don't really understand statistics".
There is an effect that is statistically rare just by chance, AND is consistently absent within a huge control group of "non-green jellybeans" (the author seems to think that this weakens the result, but in fact is reinforcing it). And it needs further research. Not less, not more.
You could have skipped the wall of text. They didn’t find a link. They found a random correlation.
The scientists here essentially engaged in P-hacking: https://en.wikipedia.org/wiki/Data_dredging
Munroe didn’t misunderstand the independence of the experiments at all. He understands that misleading spurious results can arise from repeated experiments.
> And it needs further research. Not less, not more.
No it doesn’t. At least not anymore than the other colors. A positive result is no more deserving of further investigation than a negative result. What you are describing is bad science.