Con-viction is what comes with victory… Thus after the victory. A conviction is not conducive to debate, because it assumes victory has been achieved, whereas debate assumes the battle is on, and will be thorough. Convictions are by definition not to be debated… By the way, debate is how ideas, and thus intelligence arise…
Intelligence comes out of debate, and debate means to beat out thoroughly (de-battuere) [1]. The best science is best because it beats alternative facts and theories into total and complete submission, explaining not just the truth, but why the enemy is false, fake and erroneous (for example Euclid forgot about Non-Euclidean geometry established before him; Aristotle omitted the existence of friction; Galilean Mechanics did not know about electromagnetism and its speed of light, a local constant; Newton confused the impetus/momentum of Buridan with energy, as Emilie du Chatelet showed).

All and any greater and bigger truth started as a violent war, and always will. This is why top thinkers are generally most hated (although half-top types can be loved by the authorities and thus the commons, as long as they are silly enough, and innocuous looking, for example Einstein…).
We can see this with COVID: all health authorities should switch to one shot vaccination, as it is pretty obvious that the mask masquerade is making the situation worse. All this can be easily scientifically justified, but those who confuse the scientific methods with yapping and howling as coyotes do, all together now, become immediately violent when this is claimed (and will not listen to the scientific arguments). Hey, it is a question of the (expert) establishment keeping the multitude under the most stupid form…
Want Better Thoughts? Prepare For A Bigger War!
Patrice Ayme
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[1] debate (v.)
late 14c., “to quarrel, dispute,” also “to combat, fight, make war” (senses now archaic), also “discuss, deliberate upon the pros and cons of,” from Old French debatre (13c., Modern French débattre), originally “to fight,” from de- “down, completely” (see de-) + batre “to beat,” from Latin battuere “beat” (see batter (v.)).