Note that the two quoted pieces refer to different problems. One is treatment short of professional respect[0] (for which second chances are held out), the other is validated complaints of sexual harassment (for which no second chances are held out.)

This appears to be both a clear zero-tolerance policy for sexual harassment, and an attempt to prevent anything near the border of harassment and illegal discrimination by addressing behavior which is not necessarily illegal but falls short of professionalism strongly (but without a “zero-tolerance” approach.)

[0] it says such treatment is unacceptable, then relates the consequences of discovery of such unacceptable behavior.