I wouldn't be so quick to dismiss MAS proper. While a failure is possible in just about any situation, they are rare in the hobby/recreational realm. When we get into the extremes (Pylon racing etc) all props experience more failures across the board.My FPV threw a Master Airscrew off about 6 minutes into a flight. Crashed on concrete about 4 feet from a house. I found it by replaying the last 30 seconds over and over In my goggles. I will never buy MA again.
Master Airscrew is a tried and proven propeller company. They've been making high quality as well as "economical" props for almost 5 decades (first one was designed in 1976). They make everything from 5" props (UMX sized aircraft) up to some crazy large and high performance props up to 24". MAS is one of the top 2 R/C (UAS) prop manufacturers on the planet.