I think the generic answer is trend and fashion, mixed with fear of failure. If you do it like/similar to everyone else, you won't get the blame.
If the company/brand fails, everyone is going to put the blame on someone else. Yeah, the designer did this strange thing and it totally tanked the brand.
If the company/brand fails, everyone is going to put the blame on someone else. Yeah, the designer did this strange thing and it totally tanked the brand.