31 Screenshots of People Confidently Wrong Online, From Math to Grammar

A separate screenshot shows a commenter correcting someone's grammar while using "you're" correctly in a second comment, a detail the roundup flags as odd. Others show people deciding what words mean to suit themselves.

Science and everyday knowledge fare little better. One post confuses propane with carbon monoxide, and the roundup states flatly that propane isn't carbon monoxide. Another screenshot has a poster naming the wrong organ.

One entry jokes that the off switch is on the belly button. Another story involves a woman who, the roundup assumes, "never took French."

Politics, geography and double errors

Several screenshots involve public arguments. One asks what it is about Twitter and being very wrong when responding to Rep. Alexandria Ocasio-Cortez, whom the roundup refers to as AOC.

One poster reportedly argued that a bad outcome under a current system shows what happens under the opposite system, which the poster dislikes. The roundup sums up the logic in the quoted line: "The bad thing that's happening under our current system is a great example of what happens under the complete opposite system, which coincidentally, I hate."

Geography gets its own entry. The roundup says that math is hard, but sometimes geography is harder. One screenshot adds a quick reply, "It is indeed up north," and another is labeled a rare double-wrong.

Some posters back their claims with research. One screenshot carries the line "I researched this," while another entry wonders why a poster could not find a source.

The closing lesson from the roundup is blunt: don't correct people unless you are sure you are right. Even then, it adds, you should probably still shut up.