Dylan.AragornKeychron didn't invent the 75% layout though? Just searching up "75% keyboard layout" yields many keyboards that look similar (Keychron does show up pretty often since it's trendy):
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A lot of these keyboards came out before the Keychron K2. Also, it's not like the K2 has a very distinct style, it's a typical 75% with a simple black case. Mistel at least has lock indicator lights. As for keycaps, that's not something that is entirely original on the K2 either, the color scheme is very similar to something like GMK Dolch but with orange accents.
The K2 is probably a better buy for most people because it is hotswap, but I wouldn't say this is a copycat. 75% is not a new layout, Keychron just brought it to a more mainstream audience.