I mean, the law already holds shops accountable, but problem is regulators let Amazon get away with "We are a marketplace" despite them actually selling stuff as first party and allowing third parties use their logistics and warehouses.
The "marketplace" loophole which allows a few dominant websites to insulate themselves from consequences for illegitimate sales is at the root of the consolidation decried in the top-level article.
The "marketplace" loophole which allows a few dominant websites to insulate themselves from consequences for illegitimate sales is at the root of the consolidation decried in the top-level article.