Philosophy students tend to be understandably insecure about the value and prestige of their field, and study often ends up indirectly training students to defend philosophy. Impressive-sounding pontificating, problematizing, cranking out arguments and fallacies and refutations, deploying jargon and historical references. There's a whole toolkit used to dazzle, bewilder, and cow the untrained. Not to mention outright…
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