If it is wrong, what is right?

> The people who have alpha and are trading are very rarely the people who have data engineering and infrastructure skills.

How do you know this? Can you cite some useful information?

> Your hypothesis is essentially that Bloomberg, as a company, doesn't make sense.

Providing pickaxes to miners has been a viable business model since the dawn of the modern age. But that's not what (mis)using LLMs for picking stocks is, unless you are in the shitty tool business. Bloomberg's tools are top of the line.