But...
Although Shizuka Hiratsuka was full of resentment toward Sogo Doma's twisted sense of humor and often suffered headaches because of it, as a teacher—one who was quite capable and skilled at uncovering her students' potential, uh, their potential to become tools for her to use...
As such an "excellent" teacher, while Shizuka Hiratsuka was troubled by Sogo Doma's bad taste, she was also considering whether she could use that very bad taste to help achieve her goals.
After all, as an adult, she understood very well that nothing in this world was absolute. Even Sogo Doma's twisted sense of humor could become one man's hero and another man's villain, depending on one's perspective!
Take the current situation, for example. She was pleased that Hachiman Hikigaya had listened to her and stopped obsessing over learning martial arts. But then he said it was "because it's too hard"—and that left her very dissatisfied!
Yet she couldn't say anything. After all, she was the one who had told him not to overthink things. She couldn't listen to his slacker remarks, then suddenly change tack and tell him he needed to persevere and work hard, could she?
Never mind whether he even had any talent for martial arts—just the expense alone. What if he listened to her advice about perseverance and hard work, got carried away, and decided to spend a fortune learning martial arts?
It wasn't that Shizuka Hiratsuka looked down on him. There were quite a few disciples—or rather, members—practicing kendo at Kondo Dojo, but how many of them had truly accomplished anything? There was only that gorilla, Kondo Isao, and the Demon Vice-Chief, Hijikata, perhaps with that fellow called Yamazaki thrown in...
As for the rest, Shizuka Hiratsuka still remembered how Tae Shimura had single-handedly dragged that gorilla along and