Fortnite made a thrillion dollars because people who were making UT4 were tasked to make a little F2P mode for it called Battle Royale.

So hire people to finish it?

No reason to hire people at Fortnite Salaries to complete a game that won't even make a million dollars. Arena shooters are pretty much dead.

Yep. They can't get zoomers to spend $30/month on a "free" game's marketing skins if the skill floor is too high.