I think a fundamental question to the future and health of this SE is how we will deal with answers from non-practitioners. I do not think downvoting alone is sufficient.
- A specifically BJJ-related question is answered by someone who clearly has no significant grappling or BJJ experience.
- Multiple answers that explicitly ignore the "legal in BJJ" part of the question
- Answer is from a non-practitioner describing a technique from another style that makes no sense within the context of the style of the question
Every martial artist thinks their experience makes them an expert across styles. Unfortunately that's not true. These answers aren't just wrong, they're antithetical to the entire enterprise. Anti-experts are weighing in and getting upvoted by other anti-experts. On Stack Overflow, Would someone who knows only PHP be upvoted by extensively quoting an irrelevant section of a C# manual? What if their answer is about how the whole application should be in PHP instead?
We have to have some sort of "minimum relevance or experience" requirement if our answers are going to be worth anything.