It because it’s random and not pseudo random. Video games sometimes switch to pseudo random because otherwise things like this happens. Dota 2 had a character with an automatic counter attack which had a 30% (can’t really remember) chance to proc. They had to change it to pseudo random because there were lucky/unlucky people getting 0 counters or 100% counters
Yes, I’ve got then by genre, completed, to be played, “butt ugly indies” and “devil’s lettuce approved”