Edit: I also notice that you carefully avoided another answer that goes into much more details than mine. Yeah you're not here in good faith.
I replied to yours first because it was shorter and easier, I was literally replying to them when you made your edit. You need to spend less time on the internet.
And here are the specific questions I asked which again, that sentence does not answer:
I would genuinely like to understand what the cost/benefit analysis was, what alternatives methods of research were considered, and why they weren't viable.