I wouldnt go that far. I think your clutching at straws a little bit. Its a real stretch from philosohers are insecure to they are useless. This is the sort of thing confident ignorance gets you, when you dont know how philophy impacts mpdern life so you assume it doesnt because you think you know everything
At some point who should be doing ethics? Lawyers? Computer scientists? (I'm not asking ironically, who really is well placed to make population level and extremely though questions like balancing the protection of the few against a global important health interest/gain?)