NG 10 kts tailwind is standard, 15 kts is an option. You pay, you get it, and that is the way it has been since the NG was new.
I know, I have flown it since it came. End of that discussion.
The NG has not been prone to overruns, the -800 has. I don’t think any of those incident/accident aircraft was put on the runway in the touchdown zone at the correct speed. All came in high, hot, not configured, tailwind, flooded runway, any combination of. This accident is just another example on how not to do it.
The -800 will bite you when you do don’t fly it correctly.