Who is the authoritative voice of reason for the effectiveness of any educational approach or tool? It takes years to sort things out and by then the approach of the day has moved on. Education is an area where everybody feels like they are an expert. In the US, we can't agree on the simplest things impacting our children.
Clearly it should, at least, never be the company that stands to profit from selling said technology to the government. Like you I am highly skeptical, the idea of classrooms is an idea that is over 5,000 years old. It's kinda been nearly perfected at this point where pedagogy mostly points toward self-sufficiency as soon as possible.
Also think it's extremely unethical to experiment on school children using tools or methods that can be detrimental to their development (see chromebook debacle, moving away from phonics). We kinda know what works very well in a public education setting, the constant experimentation does not help.
Experiment on adults that can consent, not children.
> It takes years to sort things out and by then the approach of the day has moved on.
What? Good approaches, definitionally, have quite a lot of staying power. This is true in most fields but especially in education where, it turns out, we don't really figure out net new approaches that are much better than the last ones very frequently.