I think Doom 3 is already in the period where 3d matured enough to not be quite as extreme. If you look at games from 2001 (my go-to 3d game for that period is Gothic 1, which is a good game, despite having somewhat unintuitive controls and badly-aged graphics), the difference to Doom 3 is quite pronounced. Though id always had very good and resource-efficient graphics.
I think Doom 3 is already in the period where 3d matured enough to not be quite as extreme. If you look at games from 2001 (my go-to 3d game for that period is Gothic 1, which is a good game, despite having somewhat unintuitive controls and badly-aged graphics), the difference to Doom 3 is quite pronounced. Though id always had very good and resource-efficient graphics.