Currently the bad quality of architecture and holistic view of models is probably explained by the fact that the models just cannot do it. Free markets and China will make sure of that, kind of. In reality Claude and Codex are better and provide much better tooling, so not much competition from free markets and self-hosted models from China, I think.
Then when competition really settles to monoploy or duopoly, like it always does in bigtech, it is really difficult to prove Anthropic and OpenAI enshittify their models. Same with Opus 4.6, that suddenly was worse when 4.7 came out.