21kb is based in the US.

Wuque has been making products for the Western market for a while now, including the Ikki 68 keyboard series. They have people dedicated to maintaining English-language social media.

KPRepublic is a vendor for a variety of brands. They are based in China, but they do speak English as well. They have been selling products worldwide for years at this point.

And the audience isn’t solely vendors anyway. Educating fellow customers is one way to bring about change, as it increases the likelihood that the correction is actually mentioned and reaches the people who are currently advertising the product incorrectly.

Even the Chinese clone manufacturers, as you refer to, watch English language social media. That’s part of how they determine which keysets are popular enough to be worth ripping off.