Well, consider the reverse. A 0.05 p-value might mean anything, but what about a 0.5 p-value? No simple test is going to tell you a hypothesis is definitely c

Well, consider the reverse. A 0.05 p-value might mean anything, but what about a 0.5 p-value? No simple test is going to tell you a hypothesis is definitely correct, but if you can weed out the probably-garbage hypotheses, you can focus on evaluating the remainder more critically.