since all scarves are at least somewhat decorative, it is likely that when scarves were first adopted, they were purely decorative since the judges in a baking contest did not have uniform criteria for selecting a winner, the cake that won is probably a bad one since some foods have very little nutritional value, people who include those foods in their diets are probably malnourished since some people who fish seldom catch any fish, they probably have some reason for fishing other than catching fish
A new treatment for muscle pain that looked very promising was tested in three separate studies. Although the results were positive, it turned out that all three studies had critical methodological flaws. So the treatment is probably not actually effective.
The flawed nature of the argument above can most effectively be demonstrated by noting that, by parallel reasoning, we could conclude that