Why wouldn’t Hashem be happy that one of his children is acting respectfully and nicely with a yarmulke on, in front of an entire nation, doing his hishtadlus?
And where did R’ Chaim Kanievsky enter this conversation. Would it make him happy? I don’t know, did you ask him and he said no? Just because it doesn’t involve a gemorah, doesn’t mean it’s not a kiddush hashem. Why do some people have such a narrow-minded view of things and think it is their way or the highway?
My Rosh Yeshiva once compared avodas hashem to baseball. In baseball, every infield is exactly the same, but all the outfield’s are different sizes. The infield is the Torah. There can be no changing it, and there can be no deviations. Everything else as far as serving Hashem, there are different paths for different people. That’s the outfield.
Let’s try not to judge people so quickly and disapprove of their actions by assuming R’ Chaim disproves.