I think this confrontation was mainly just a misunderstanding between CullCast and LA-Westri due to familiarity with BB and its complexities. The answer was great, just not for the target audience.
CullCast started BB in season 61 and asked a very fair, but very vague question about what the most important skills are for players now that the game engine has changed. This is a valid question as much of what he might read in the forums from the past may/may not be accurate.
LA-Westri provided an awesome answer that was very useful and in-depth, but new managers probably won't know what he means when he says "extreme skill difference is nearly pointless", "When determining skill level difference outcome in game engine calculations for all in-game actions, a difference of around three will follow a constant evaluation", or "The impact on positions having the necessary passing, as well as team offensive flow, have either made players play better/worse".
Those are all good answers, but it's probably not very digestible for someone who just joined BB a season ago. CullCast asked for clarification after the first response but the disconnect was still present in LA-Westri's 2nd message, which went more in-depth to try to clarify his statements, but understandably confused a newer manager further.
I don't think CullCast's response was very polite, but I also understand that that can be frustrating when you're asking a question and the answers do not make any sense. It's like if I asked how to solve a math problem only having the baseline knowledge of a pre-algebra course and someone helped me solve it using calculus concepts I had never seen before. Yes, they technically answered my question and solved the problem, but it did not really help me grasp the material.
I don't think there has to be any further ill-will though. CullCast eventually got a useful answer that clicked and LA-Westri gave an answer that is likely very helpful for a lot of other managers, even if it did not specifically help CullCast.