You are of course right. But when people with a level of development, like from the most deaf village, remain near you, don’t be surprised.
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And from what, forgive me, the knowledge about the glasses that the musician was wearing is an indicator of the level of development? As for me, this is nothing more than an indicator of musical preferences that say nothing at all. It is forgiving in adolescence to judge people by what kind of music they listen to. It is no longer for adults.