Because this is the native ratio between the two assets like 1 dollar and 2 dollar. For exmaple, you will put 2 eth and 1 FLi and it will always be like that.
I have been considering this product so would be very interested in the benefits of doing it with Stakewise. Is there any sign of things moving forward?
You can calculate the IL Risk easily with https://www.impermanent-loss-calculator.net