> which is to say it hasn't been found to work in a natural setting This says that the drug creates the ability to relearn something, but the learning process

> which is to say it hasn't been found to work in a natural setting This says that the drug creates the ability to relearn something, but the learning process itself is of course mediated by the setting provided - learning is always about interaction with the environment. This has nothing to do with weasel words, it simply illustrates the mode of action.