From a Wall Street Journal story by Dana Mattioli headlined “Amazon Has Been Slashing Private-Label Selection Amid Weak Sales”:

Amazon.com  has started drastically reducing the number of items it sells under its own brands, and the company has discussed the possibility of of exiting the private-label business entirely to alleviate regulatory pressure.

Amazon’s private-label business, with 243,000 products across 45 different house brands as of 2020, has been a source of controversy because it competes with other sellers on its platform. The decision to scale back the house brands resulted partly from disappointing sales for many of the items. It also came as the retail-and-technology giant has faced criticism in recent years from lawmakers and others that it sometimes gives advantages to its own brands at the expense of products sold by other vendors on its site.