BrotherHostower said:
Yes it's cannon that they use psycho-indoctrination to speed-teach (almost matrix style but not as fast) their skills and precepts the marine will need. They also use it for mind cleansing marines that might have seen "too much." Unlike say, an Imperial Guardsman who is unlucky enough to fight something truely evil (like a daemon incursion), space marines are too valuable to just kill for knowing too much (ref: armaggedon 1). However, this does not neccessarily elminate individual thought, how far the indoctrination goes is chapter dependant, with Ultras probably being at the top of the wipe out individuality and space pups at the bottom. Sons of Dorn I think is the only SM book I can immediately think of that gives us a view of what their psycho-indoctrination does (as much as I didn't like the book itself and thought it was the first time BL has put out Imp Fists that I didn't almost immediately like).
As for the Storm Warden chapter, have you not noticed that the "official" DIY chapters seem to be combo chaps? The Blood Ravens from THQ are a mix blood angels/dark angels chapter, these look like mix ultras/dark angels, nothing wrong with that. In fact, in what, the last 5 chapter revelation threads people wanted exactly this, NOT one of the normal 1st founding chapters but something FFG made. Ta-da! This isn't your standard DIY chapter either, as he worked with GW to make it, which would make it as official as you can get.
The Blood Ravens don't share anything other than red armor and the word blood in chapter name with the Blood Angels.
And if you look at their actual fluff, they are a librarian heavy chapter, and give librarians more authority than other chapters (to the point of librarian company commanders and I do believe the fluff references a librarian as chapter master as well at some point in their history). So, no, not much at all like any of the other loyalist chapters outside of the Grey Knights...