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Increasingly irritated by the pattern: data + shoddy analysis => conclusion X => viral spread by people who like conclusion X, and who don't care whether the study was sound or not.
This is (a) impossible to avoid by individual action, since it's a collective effect, controlling what we see; and (b) it actually generates _demand_ for (and a livelihood for) people doing the shoddy studies.
It's also impossible to avoid on the authorial side. You can be as careful as you like with the study and caveats, and yet it's likely to end up being shared a lot by people who like your conclusions, independent of those caveats.
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Tongue-in-cheek rule: you can only see the result of a study when you've first approved or disapproved the methodology. The result is then approvingly tweeted by you, no matter what the result was.