Should Swimmers be Allowed to Swim in the Same Lane During a Race?

During the 2024 Polish Swimming Championships (which qualify swimmers for the 2024 Olympics in Paris this summer), a swimmer in the Women's 200 IM final ended up in the wrong lane halfway through the race and ended up getting disqualified for it. We discuss how this happened, why it was a DQ, and what questions this raises about the rules for this race.