He does — and he said so himself in 2020, before anyone thought to ask. The line he draws is
about conflict of interest, not about money.
He reviews keyboard vendors, so he takes nothing from keyboard vendors: no affiliate deals,
no discount codes that pay him, no kickbacks. That is where a payment would actually buy
something, and that is exactly why there isn't one.
Amazon isn't a vendor he reviews. The link is disclosed, and the money goes into the company
like everything else — it appears in the books as
$851.16, a little over two
percent of income. You can go and look at it.