The technique makes both excerpts effective is an appeal to logic.
Logos is the logic, reasoning and argument, or simulation of it, in a persuasive appeal.
Logos is a persuasive technique that tries to persuade an audience using logical arguments and supporting evidence.
Pathos the emotional appeal, means to persuade an audience by appealing to their emotions.
Ethos means to convince an audience of the author’s credibility or character.
Logos the appeal to logic, means to convince an audience by use of logic or reason.
He is using Logos.
C it makes the most sense