XYZE and T cas
We can agree to disagree. Maybe an explosion won't happen soon or not at all. Why risk it based on another aircraft in a different scenario. The 777 holds a bucketload more of the flammable stuff than a 737.
In regards to evacuate left or right. No need to say anything other than evacuate. Cabin crew are. 'supposedly' trained to look out the window and assess. Just say evacuate and let them get on with it.
If you had been a pax on this flight what would your reaction be?