What technology are they using to prevent the perp from stabbing said Brit and Latin cops when they go to take him down?
They have better weapons and numbers when they do it than we do when we have to deal with knives (and scissors in this case) in bars and at BBQs and all the places those of us who are unarmed and alone have to deal with them.
It is surprising to watch the videos of some of these foreign cops deal with guys who are armed with knives, especially Latin American cops.
For some reason cops used to fight the lightly armed guy with a billy club rather than just shoot him, what changed?
Cops should not have to fight every threat, BUT sometimes they should, we need cops who are willing to take some risks to do cop work, and that means sometimes fighting rather than just shooting everything that they meet, from dogs to women and boys.
Here is one example of some brave British cops, the internet has many such videos of foreign cops.
https://www.youtube.com/watch?v=J9TFvh6Xps4