[Just mythoughts]

If there were indisputable means of dating a footprint that looked entirely like a modern human footprint at 1.5 millions years, you would devise some reason the results couldn't be accepted because of your preexisting assumptions of what could or could not have been making prints at that time.

When that indisputable methodology of dating anything over a few thousand years is accomplished I guess we can chat.

[aruanan]

When that indisputable methodology of dating anything over a few thousand years is accomplished I guess we can chat.

Which means that you're in an even more tenuous position than you thought.