For two reasons.
First, creating content with Unreal Engine is rather an art for me than manufacturing purely functional products. It’s a way of self-expression. I believe every artist finds his or her passion (way of expression) in different forms of art. This type of creation resonates with me the most.
Second, Unreal Engine is becoming a key tool for archviz because of VR and the opportunities it has to offer. According to one of the most influential marketing strategist, Seth Godin, virtual reality is going to play an essential role in our everyday life. This applies for archviz as well: engaging more of our senses to achieve a lifelike experience is becoming a huge trend in the forthcoming years.
Still images are great – they will always play a specific role in archviz. But taking part in shaping the future and providing more engaging and lifelike experience is much more exciting for me.