Nobody knew Aria would take action quickly so Harold was as surprised as Finn seeing her take control as soon as she stepped in. Harold commented standing between Rose and Dustin, "This business couple is scary."
Dustin responded with a light chuckle, "Commander Stanley is absolutely right."
Only those who knew or followed Morgan and Skyline Industries closely, clearly understand they weren't this powerful before.
When the world was thinking Aria and Alan were fighting by pulling their support away from each other after the canceled wedding, the couple had taken a step back and spread their wings so wide that, either of them had control over other companies.