I agree with this - early on they really struggled with inventory issues on the 6000 series. The 6800/6900 were rock stars, but they never really came out with a compelling lower tier affordable parts either: I know that 6700-6400 parts exist, but I never really saw much of them, other than the laughing stock that the 6500/6400 were, and with the exception of those two very poorly reviewed parts, it left a huge hole in the lineup with the 6600 just shy of $400 MSRP.
AMD did seem to rebound faster on inventory - 6900 and 6800 cards did seem to get inventory and prices returning to sanity sooner than nVidia offerings. Part of that could just be that a lot of people will hold out waiting on nVidia cards though.
To be fair, no one really had anything affordable / lower tier this last generation. nVidia responded by re-releasing the 1660 and 2060s, and the prices on those were crazy
But the place where you really make up marketshare is exactly in that range: 8 of the top 10 GPUs on the Steam Hardware Survey fall squarely in that exact demographic and make up nearly 1/3 of all GPU installs -- and none of them are AMD