I see a lot of experimenting and tinkering but I don't see a lot of products coming out that have differentiating characteristics, which makes me think people are both doing a lot more and doing a lot less at the same time.

And no, it doesn't matter how the end-product is made unless you care about maintenance/maintaining it.

Code in developed-environments (developed as in country) typically has an aestheticism to it. This served two purposes: beauty and comprehension. Comprehension and extensibility were tightly coupled before LLMs could "elaborate" endlessly. Now, extensibility and comprehensibility are only loosely coupled. But the ratio of people who have truly taken this to its maximum is not large. You still need good ideas and differentiating characteristics to make good applications.

It might seem like it doesn't matter which language or framework you choose, now that the LLMs can endlessly "elaborate." Since comprehensibility is largely optional now. But, if you desire extensibility, making thoughtful design decisions early , such as which language and which framework, can make a noticeable difference down-the-line.