iPhones and smartphones in general have greatly increased the risk of data theft or being spied.
Insurance companies are more than happy that others have switched to smartphones (I worked in insurance consulting for cyber risks)
I don't think your comment is accurate, based on my first-hand knowledge of large companies that use gsuite, as well as their customer list in the above link.
My partner worked here - https://en.wikipedia.org/wiki/LafargeHolcim
They used gsuite for email, o365 for other aspects. Required iPhones if you wanted a device - wouldnt allow android at the time... but that may have changed since