I point out that life is an act of war because it helps me to dispel insuperable and irrational speculation regarding spirituality.

The question is, why do you want to dispel them? If you delete the word "irrational" before the word "speculations" and instead of "speculations" speak of "worldviews", the tone of the statement changes, no?

The rejection of the spiritual on the basis of an assumed irrationality involves an exclusion up to the point of offending all those who perhaps do not want to prove such a thing, but do want to accept it in the certainty that they are reaching the limits of their understanding. If the rejection remains mutual, both world views lose meaning and do not contribute to finding peace in the mind.

It would be easier for me not to see a contradiction in what you say in the following, which for me still exists in your elaboration.