As an Air Traffic Controller that worked in a third world country, I would be concerned around the two glaring holes.
1. Did the emergency services vehicles not know what Runway is in use and check out the left as they approached. They would've clearly seen the massive aircraft on short finals.
2. The Air Traffic Controller is responsible for the safe separation and operation of aircraft on the manoeuvring area, except for the ramp.
But it seems that both the ATC, the pilots in the aircraft and the driver themselves. During busy non-standard Ops - I would keep as much distance between them as possible to ensure
It's a 15+ ton vehicle - it doesn't just jump out in front of you.
The real solution with Cloudflare is to use their Load Balancing (https://developers.cloudflare.com/load-balancing) which is a paid feature.