He is a large man meant for manual labor, a place where women shouldn't be around to begin with. Have his wrangler near him to help prevent as many small animal deaths as possible and he can live a fulfilling and productive life just fine.

The book made it quite obvious that the woman kept coming around to start trouble, and no one who wasn't blinded with lust wanted her there. Her death is entirely her fault and is far beyond just being "not wise."

It was inevitable because of the evils of the world that surrounded them, but that's why his fate is a tragedy instead of a necessity.