We wanted to keep interaction in towns simple, without too much time going into the search of certain characters or dialogue partners. On the battlefield, this also contributes to a fast paced gameplay with good navigation. However, you can still tilt the camera in different angles for an optimized view.
This game is about a desperate escape followed by a journey. A safe house or a long-term home would contradict this premise. Also, the amount of loot should not be too much to carry around. The game encourages players to decide if they want to keep stuff or not. Exceeding weight capacity has negative effects on your combat performance, so it's another strategic call to make. Having a storage area would nullify this strategic component.
No. If you already finished the main quest chain, you'll just have to repeat everything from your latest savegame to the final battle. The game will then automatically save for you. Load this savegame after the game returns you to the main menu. You'll find yourself on the world map and are able to access the new sidequests from there.