In comparison nVidia has had pretty consistent naming since 200 series, with every generation feeling at least somewhat complete. Only major exception was (mostly) skippin 800 series. Not saying they are perfect by any means in this regard, but AMD just feels like a complete mess.
Checking wikipedia, Radeon has recently gone through (in order):
* HD 7000 series
* HD 8000 series
* 200 series
* 300 series
* 400/500 series
* RX Vega
* RX 5000 series
* RX 6000 series
* RX 7000 series
* RX 9000 series
Like what happened to 8000 series? And also isn't it confusing to partially change the naming scheme? Any guesses what the next generation will be called?