is this provisional ranked system bad or am i trash

in my provisional game i did average (2/2/5) and i got iron 3 and i finished silver 5 last season. in my friends provisional game (finished iron 4 last season) did borderline bad and average in their first game, got carried, and got bronze 4. then in my friends sisters provisional game (unranked last season) fed and lost their first game, and got a provisional in bronze 4.
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