No one is using fighter jets in this war. Why? And everyone (who knows) knows this: The anti-air technology is too good to field a jet. It will just get shot down. so the Jets are now useless. so there’s no point in supporting useless jets. And no country is going to buy useless jets. But go on and make this political and not about some physical reality of our world.
They are absolutely using 'fighter jets' for standoff munitions delivery. You probably have heard of Storm Shadow and JDAM-ER.
Even if this wasn't the case, they would still not be useless in that the firearms in your house aren't useless if you aren't actively shooting a home invader.