Amazon's yard marshalls in the UK are facing a big pay cut. Ronny Hartmann/picture alliance via Getty Images A Chinese firm was able to harvest Amazon customers' data to sell to Amazon sellers, Wired reports. The firm and other third parties accessed the data because of one of Amazon's own internal programs. Insight into the integrity of Amazon's customer data infrastructure surfaced in a Wired report Thursday. In 2018, third-party companies were scraping customer data thanks to one of Amazon's own programs, according to the magazine, which viewed internal documents and memos. One company in particular, a Chinese data firm,…