Can Boeing's Starliner capsule with astronauts Sunita Williams and Butch Wilmore onboard explode? Why has NASA praised it?

It was warned that Boeing's Starliner capsule may have issues, and before the liftoff, it was discovered that helium had leaked. It ran into trouble, developed more leaks on its journey to the ISS, and faced trouble in docking once it got there, no one was shocked.