The online retail giant saw sizable profits during the COVID-19 pandemic, as homebound shoppers purchased more items online, but consumers now rely less on ecommerce.

The Amazon founder had been criticized in the past for not signing the Giving Pledge, the campaign launched by Bill Gates and others to encourage billionaires to donate the majority of their wealth through philanthropy.

Experts had noted a win there would have given the union more leverage in its quest to negotiate a contract with Amazon and a chance to demonstrate its prior win at a facility on Staten Island, New York, wasn’t a one-off.