They're not guiding the user to shop a or shop b, they're
- redirecting the attribution away from the actual affiliate (could hurt shops because their affiliates become unhappy and advertise their competitors)
- automatically applying coupons that decrease the shop's margin.
How are they "great business partners"?
Influence can be bought on the cheap. MrBeast says use Honey, you use Honey. Are you going to not partner with the business that is smart enough to partner with MrBeast?
In terms of being "great business partners". The affiliate space like other industries requires a team of people on the retailer side and Honey's side talking to each other and establishing a relationship. Here is a random article I just Google'd that sheds a bit of light about that relationship. https://www.advertisepurple.com/affiliate-spotlight-a-conver...