When a company known for cutting edge, high tech weapons is using your 101 year old design, you know you're doing it right.
They are just expanding their product line. They didn't do it because they liked it. They did this because they think it will make them money. The 1911 has been rebounding in demand and they are trying to get part of that market. However, 100 years later the 1911is still setting the standard. Yes, Browning got it right.