I learned the hard way that you *must* destroy the Fountain of Youth

Played the final mission in Act 1: Blood where Morgan, Lizzie, and Sahin decide they must destroy the Fountain of Youth to keep it out of Alain's hands. I attacked Alain's base and Morgan says that it's too well defended, so we have to go with Plan B and destroy the fountain.

Well screw that! I decided to destroy Alain's base anyway. Got my army in there, killed some villagers, and even fortified some ships and Outposts in the spot where one of his ships spawns every few minutes. I killed every single enemy on the map, happy in my knowledge that I destroyed Alain and saved the Fountain of Youth from destruction.

Only the scenario doesn't end. You don't get any sort of acknowledgement. Just a new ship that spawns every minutes, which I destroy in 3 seconds. After scouring the map several times to make sure I didn't miss any units, I realized you're forced to destroy the Fountain of Youth even with Alain defeated.

It would have been cool to at least get acknowledgement of going above and beyond. Something like Lizzie or Sahin saying "Even with Morgan defeated, it's inevitable that this will some day fall into the wrong hands. We must destroy the Fountain of Youth."

But no, just a scenario ending with the railroaded decision that you have to destroy it.