The most interesting historical speculation about Tecumseh is not about what he did but about what might have been different.

If Tenskwatawa had held the confederacy together through 1811 and 1812 without the Tippecanoe engagement: Prophetstown would have been intact and better supplied.

The warriors gathered there might have numbered two or three thousand rather than the diminished force that remained after Tippecanoe.

The War of 1812 would have found the confederacy at its peak strength rather than recovering from a serious blow.

If the confederacy had entered the War of 1812 at peak strength, with better coordination and more nations committed: the Lake Erie campaign might have had a different character.