Couldn't agree more. The WP:NOT page seems to address this with "Wikipedia is not a manual, guidebook, textbook, or scientific journal", but with how prevalent

Couldn't agree more. The WP:NOT page seems to address this with "Wikipedia is not a manual, guidebook, textbook, or scientific journal", but with how prevalent maths jargon appears without anything layman-accessible describing what's being talked about, it seems like an uphill battle.