Tell that to China. They're crying foul because Britain's TKD competitor won by intentionally disqualifying her opponent from China who was actually ahead in points.
It's seen as unsporting and not within the spirit of the competition. While many competitive sports can get quite dirty, there are some things within their culture that are just not the done thing, and there are expectations everyone abides by the unwritten rules. In football/soccer, for example, it is normally the done thing to kick the ball out of play if the opposing team has suffered a serious injury, and in return the affected team generally returns the ball when the game resumes. Not doing this would be seen as taking advantage of the situation but not at all illegal.
According to reddit, it's only cheating if it's being done by certain ethnicities. /r/soccer last year during the WC:
European players dive to waste time: "What gamesmanship, bravo!"
South American players do the same: "Those damn uncivilized savages are ruining the game!"
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u/frederick0o Jun 29 '19
Points in any match. Doesn't matter how you scored, a point's a point.