In defense of Utube video's about gunsmithing, reloading, shooting, etc, there are some out there in cyber space put out by reputable, knowledgeable persons. Ya just have to separate the wheat from the chaff in viewing them. I've seen (mostly partially watched due to them being crap) alot posted by wanna-be's, self proclaimed gunsmiths, reloaders, shooters that give video's on Utube a bad name. These posters are either not up to the game not understanding what they're talking about and/or they get into a certain aspect of firearms and their use, think they've got it figured out and make a crappy ill-informed video. As 45D posted books are a time proven source of information, but IMO so are worthy videos posted by reputable posters. Especially true if there isn't a knowledgeable person that can show ya how to do in person.
When I got my first M1 Garand (30/06) and was going to reload for it, knowing reloading for them is a bit different than a bolt 30/06 (which I had several of and had reloaded for), I read as much as possible through magazines, books and internet info. Found one particular Utube video listed by the contributor as "How to load ammo for a M1 Garand". What a hoot. Think the guy was at his first time reloading anything, didn't have proper terminology for reloading equipment, stated a number of times when he was unsure how to do this or that, "Well it doesn't really matter I don't think", and stated once he was new to reloading. Some of the gunsmithing video's follow the same example of clowns just tearing into a firearm making mistakes and gaffs, real gun butchering at its finest. I've watched a number of videos by real gunsmiths/reloaders who know their trade, showing in detail and explanation how and what they're doing. Like I advised, "Ya have to separate the wheat from the chaff"!!!