A recent preprint paper examines the minimum number of people required to maintain a feasible settlement on Mars while accounting for psychological and behavioral factors, specifically in emergency situations. This study was conducted by a team of data scientists from George Mason University and holds the potential to help researchers better understand the appropriate conditions …
You seem to have answered your own question.
There is nothing short of the moon falling to the Earth that can make Mars a more viable place for humans than the Earth.
Is that a challenge?