Well they did take suggestions and incorporate them into later roster updates, but like those two were saying, why is this even necessary? The game
should ship with as accurate as possible rosters and it doesn't. When I did pitch edits this year there wasn't a single pitcher that I didn't have to make changes to, with most needing multiple edits.
Of course, I wouldn't recommend SCEA copying/pasting straight from pitch f/x since the algorithm has its quirks, and I doubt they would assign a valuable team member to dedicate ~1-2 months to compile and input the data (although it would probably take less since the devs are using computers to edit rosters), so why not outsource it (for free I might add) and add it to later roster updates?