"Control over customer relationships and data troves that have been built up over decades could be partially ceded to intermediaries." [Control over customer relationships]
This quote directly names the structural threat: decades of retailer investment in direct customer control is being transferred to third-party AI intermediaries, which is the core mechanism of the signal.
Reasoning from this article
The article documents how Walmart's AI referral share doubled to 32.5% while Amazon's collapsed from 40% to 11% in 2025—concrete evidence that AI agents are redirecting traffic away from retailer-owned storefronts. The article also notes that 'retail media' (advertising within search results) worth ~$200bn annually is threatened because AI agents may bypass retailer ad placements entirely. This pattern generalizes beyond these specific companies: any retailer whose business model depends on owning the customer discovery interface faces disintermediation by AI platforms.