In any event, a single engine is stupid in the intended environment, as is a prop.
I doubt single engine. More like center line multi engine tandem turboprop. Works nice. Less crap hanging out on those wings.
Center line thrust or as close to it as possible is key to all kinds of issues when considering low complexity single pilot control in hostile close support situations. Flying the plane as a simple platform is first. Lethal precision weaponry is second. Reliability and endurance are third. What does the A10 now log in maintenance time for every hour flown?
“Why are they re-inventing the wheel, again?”
Keep the A-10 for ten more years and fund a tax cut.