Come now, old timers know better.

They update and fix things pretty fast/timely. They just don't have the time to waste/spare in constantly verifying that everything is accurate and up to date.
IE: "It's broken, fix it." gets a post-it note on someone's desk. "The speedcharts for the Fw190D and P-51D are off by X mph at Y altitude due to a recent update/adjsutment/change. Could you please update them by in/decreasing the speed shown on the chart." gets the chart adjusted and updated to the website in a normal afternoon.
IE2: "It's wrong, make it right." or "Under the Help section on the website (
www.hitechcreations.com/whoknowswhere/thispage.html) in the third paragraph, your 'rifs' are mistakenly listed as 'rafs'."