Is Owen's Defense sound opening?

@adavison said in #9:
> It isn't the best opening, and it isn't positionally sound...but is it effective? Perhaps.
Does it requires much effort to master? I’m currently devoted into complex openings like KID and Sicilian

it has less theory than most openings. You do need to learn few thing like timing of d5 move.

Iused to play and I was not any worse than I am with my current set of moves
www.youtube.com/watch?v=twOCQNjeT3M
I watched about one video of that length and started to play. By sam author so possibly this very one