> Good old user research or talking to users to validate ideas, iron out issues in the user flows has become too slow for the new process

I haven't seen these in at least a decade in the industry!! Everywhere I used to work was always "PM wanted" or similar and the validation was always just QA making sure the thing works/does the bare minimum!!! Customer input was just for bugs.

I hope that with AI speeding up prototyping we can actually go the other way long term, where we go back to ACTUALLY talking to a customer and then quickly prototyping it to see if it is what they wanted. Figuring out what the customer wants remains the hardest part of software engineering, but at least right now its mainly because we just dont talk to the customer.