Do you have a source for that? I don't think that's ever been true.
They've always had affiliate links, but they've also always been clear that doesn't affect their recommendations.
You might be referring to this: https://www.xdesk.com/wirecutter-standing-desk-review-pay-to...
But it was pretty totally debunked. The NYT made a lengthy reply explaining:
https://www.nytimes.com/wirecutter/our-response-to-nextdesk/