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Random mechanical issues in career - Why AI gets them but the player doesn't?
This is one of my biggest gripes in F1 2017's career mode. It becomes too easy to win the championship when it's almost certain that your competitors will get at least one or two races where they slow down or retire with mechanical issues, while you can easily avoid it by not running the parts down to 100% wear.
There should be a setting in career that lets you control whether everyone, including you, can get random mechanical issues, or to remove them altogether, with the added mechanic that investing in durability upgrades also reduces the chance of sudden mechanical issues.