Yes, 'Damaged' is perhaps their seminal work, but My War certainly kicks on its heels as a classic album from the 80s. My War is a Jekyll and Hyde of an album, one side full of short songs, the other comprised of just three long tracks. Some folk say it's like Black Sabbath, I just think of it as pure Black Flag. Ozzy could never hit the lows of Nothing Left Inside, or My War's 'You're one of them'.
Rollins peaks on this album, and hits the notes like a drained Iggy Pop, dragging notes up from the gutter. But is it metal, well no, and it's not punk, so is it a punk-metal crossover, no. It simply shows how intelligent Black Flag were; producing two classic albums, which are very distinctive, and sound so dissimilar you'd think they were not from the same band.
In fact you might not like it if you're a BF purist, or a nu-metal-man. But as Henry once said, 'You think that you're my friend but you're one of them'. Wasted? Still am...