Then you are objecting to a strawman. "This experiment promises interesting results" is different from "I promise that this experiment will yield interesting re

Then you are objecting to a strawman. "This experiment promises interesting results" is different from "I promise that this experiment will yield interesting results". As in, it's a completely different definition. Hence the the inclusion of "at least" in the source quote, which wouldn't make sense alongside the other definition. See the dictionary links that have been posted multiple times.