Gwyneth Paltrow is an important influencer in the target market for an organic juice-as-a-service startup, so it makes a whole lot of sense as a positive thing for this startup.
Obviously, less useful for startups in other markets.
You've never heard of Goop? Gwyneth Paltrow is HUGE. People buy the things she recommends, simple as that. You might not, but there's several armies' worth of gym-going, juice-drinking women who hang onto her every word.
If I was starting a business just to make money, I'd love to have Paltrow's endorsement. But I'm not wired that way. I value integrity and science too much -- probably to my financial detriment.
Obviously, less useful for startups in other markets.