Although they don't do the techniques correctly and not in the same conditions as the people in the videos they copy, it's not a bad video per say. What caught my attention is the way they describe the "integrated strikes" in Krav Maga (which are essentially copy paste of Aikido atemi strikes for those specific techniques/situations) as being disruptive not only in their attack but also in their thinking meaning they had to adapt to the strikes rather than just to continue the attack itself:
Stress testing knives video