Many times ideas in one field are unknown in another and might be useful.
A book about ideas that came from one field and got adopted in another to great success.
It will be an advantage to know if the Swiss cross helps conversions.
Do a series of A/B tests using images that include the Swiss cross and images that do not. Logos with and without the Swiss cross, ad images, video overlays, etc. Tests should be done in different interest areas (consumer goods, services, online, retail, etc.)