Sorry PJ. I am writing this in Portuguese and it is being translated by Google Translate so maybe we have some problem of understanding or interpretation due to this.
The library on the Eloquent Arduino website is free and distributed through the Arduino IDE interface itself. Yes, it really seems like he was based on the Edge Impulse codes and the board’s own examples, but his solution is much easier and more organized in my point of view. He uses a scheme on the website where you need to pay to learn, and in my case, with a project that I need to resolve soon, it seemed like the quickest and cheapest solution.
I really like Seeed boards and buy them frequently. I’ve been following the company for a long time, but I’ve had some bad experiences, like the Seeed Wio RP2040. My feeling is that software support does not move at the same speed as the production of new solutions and is at the mercy of the contributions of us users.