One thing missing from most RL environment discussions is observability during training. Single-agent envs are hard enough to debug, but multi-agent environments are a completely different challenge, reward curves tell you almost nothing about which agent failed or why cooperation broke down.
“An FAQ” really sets my grammar nerves jangling. “A FAQ” isn’t great either.
Maybe “FAQ on Reinforcement…” or “FAQ about Reinforcement…”
Why? You'd say it as "An Eff-AQ"
I'm guessing their issue isn't about the vowel, it's about the number mismatch between the singular article "an" and the plural noun phrase "frequently asked questions".