Philosophy is quite useful in defining AI (philosophy of mind) and quantum physics (philosophy of physics) to name a few. Your comment is beyond narrow minded and ignorant; I should seriously hope you don't hold such views.
In AI the dominant attitude is that the mind can be considered a machine and that consciousness can be ignored. It dodges the philosophical questions entirely in the name of practicality. If anyone's going to find the answer to how consciousness works it will be neuroscientists, so in the meantime what's the point of debating it on philosophical grounds?
Similarly quantum physics didn't originate from philosophers who thought "It just doesn't seem right that the universe is deterministic! At a microscopic level electron positions must be probabilistic". No, these are things scientists figure out and philosophers reconcile.
It's not clear that AI researchers or quantum physicsts would lose anything by ignoring philosophers.
One of my favorite books is Candide. The book ends with Candide tending to his garden. This is how I live my life. It works pretty well.
How many modern philosophers use their knowledge to live good lives and improve the lives of others?
As an armchair philosopher, I'd say my ideas have helped my live my life in a more positive way, and has helped me to expose others to ideas that can be fun to think about and helpful for dealing with various life situations.
Philosophy helps me live a good life - I have a pretty good bullshit detector. Your post set it off quite well.
Could you point to a good treatment of this? My experience with people waxing philosophical about quantum has almost always been negative, to the point where I regret the conversation ever taking place.