adBlock & NoScript & CookieBlock are essential malware protection anyway, and just needs tweaks for youtube.
flashvideodownloader is just an firefox addon. then you can visit youtube without much tracking.
flashvideodownloader probably uses youtube-dl (without any CLI-typing).
P0rn sites, with jdownloader & Java & Unlimited Strength Cryptography is less easy
(edit: added : easier than youtube-dl)
adBlock & NoScript & CookieBlock are essential malware protection anyway, and just needs tweaks for youtube.
flashvideodownloader is just an firefox addon. then you can visit youtube without much tracking.
flashvideodownloader probably uses youtube-dl (without any CLI-typing).
P0rn sites, with jdownloader & Java & Unlimited Strength Cryptography is less easy
(edit: added : easier than youtube-dl)