In BO7 Ranked, Flex is the slot that gets blamed when things go wrong and barely noticed when things go right. You're not married to one lane or one gunfight. You're reading the map, the feed, and your teammates' spacing, then fixing whatever's missing. If you're trying to sharpen that decision-making without tanking SR, some players even warm up in cheap CoD BO7 Bot Lobbies so their first...