looks better than the first version
Im not sure what you dont like about the shadows? I mean this is a law of nature and light that is the same in the real world as here. If the sun is at 10am and a building casts some shadow , if you walk around the building… the shadow does not move because you are moving… it is static because of the light source not moving. ??
Lighting is obviously subject to preference but as in my examples above i have no scene lighting other than the HDRI and it looks great and realistic. The HDRI does have a strongest point of light source so it is kind of directional , just more diffused in general than a scene light. In reality studios do use additional lighting in conjunction with the ambient lighting of the environment so this is not bad , but as Paul mentioned the main point here is that there is a performance hit for adding scene lights. As im sure they are using forward rendering this means having to do another rendering pass per light