Significantly less American than Anwar al-Awlaki, the US citizen Obama ordered assassinated. Jamal Khashoggi was a US resident, but never gained citizenship.
War is war. The world would be a better, safer place for us if every single al Qaeda member worldwide were dead. I'm glad the US military is trying to get as many of them as possible. The main issue I'm worried about here is collateral damage -- that can cause the actions to be counter-productive.