Why do people in bronze/silver have this mentality?

Even pre game people (not to stereotype but ive mostly seen adcs say "gg" or "we lose" or something so pessimistic it forces me to auto mute them and then when people die they just go fk it im gonna troll/ feed anyway. LIKE WHY. Why do people just give up? Also can we talk about these first time champions in ranked? I know ill get downvotes into hell but it just is not possible to do as well with a champion you know vs one you dont know well enough. Last game i had a second time lissandra. PLAY HER IN NORMALS UNTIL YOU KNOW WHAT SHE DOES. Jesus christ its like people want to troll.
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