Being in their comfort zone and refining and iterating something that they were familiar with already did expand their audience, with DOS2 outselling 1.
To some extent. That philosophy would certainly apply to DOS 3, but feels insufficient to BG3.
Regarding WoTC, not sure if they care about mechanic details of the game as long as they carry the 5ed flagship. Their quality control has not being great, especially in their mid and low tier franchises such as the new Dark Alliance.
