Not all otherwise sound discourse has exactly the same ease, clarity or elegance. Yet distinctions of degree should not be collapsed into arbitrary personal taste.
Basic criteria of fasaha concern freedom from identified defects of diction and composition. Degrees of balagha further consider contextual aptness, quality of presentation and acceptance.
“I personally liked this sentence” is not the same analytical claim as “This sentence is more baligh in this station.” The latter requires a reason connected with the discourse and its rhetorical demands.