I just grabbed the full credits for BG2:SoA, minus QA, voice actors, and marketing. Dumped them in an excel, deleted duplicates. It shows 127 developers. Why would anybody ask ChatGPT something like that and just assume they got the right answer? Humanity is doomed.
The 90 man years to create BG1 is a quote from BioWare founder Ray Muzyka.
https://www.gamedeveloper.com/design/-i-baldur-s-gate-ii-i-the-anatomy-of-a-sequel
