That is why you need to advertise the game, put money into marketing and take an approach as this is another MMORPG.
Look how many players wanted to play New World. Hundreds of servers and still first days the queues were 100 hours long. Most people couldn't play. The demand was insane.
If you attract enough players I don't see why you can't have 2 or even 3 servers for FE2.
At the end of the day this is a business company and their priority is to make money. If you don't have players - you won't be able to maintain the project and will have to sell it or close it down completely again...
Gotta learn, right.