I agree with you when you say:
The big mistake that some make is trying to "destroy" a cancer cell.
Cancer cells are part of the innate wisdom of the human body.
They are not a mistake but a natural function.
The key to healing the condition of cancer or any dis ease, is by removing interference so the body can heal itself.
Cancer is not the enemy.
But I disagree with:
“It is a mechanism to preserve life longer ...to squeeze more life for us.”
“It is the body's way of prolonging life in an autointoxicated state (toxic congestion/storage).”
I found that cancer that cancer is created deliberately for a purpose but a misguided purpose.
Cancer is about stem cell mediated immunity, erroneously ignited in the body owing to erroneous beliefs.
And I agree with you “The point is that the body will heal its self under the right conditions.” Those right conditions involve several things and I have set this out in my posts here:
It is not a case of destroy but reverting the stem cells back to their original form or to fully functional, fully specialized cells of which ever organ or tissue they belong to, and removing the excesses by apoptosis.