You can't write rules to account for every possibility. The best you can do is write them so the GM feels confident making a ruling whenever a rule is unclear, and the players feel confident in that ruling based on their experiences up to that point. That's good TTRPG design.
IT'S HAPPENING?!
Also, GROK?! 1E is on sale at @ExaltedFuneral for $14 and includes the Kickstarter Character Sheets, Quick-Start Guide, and Notecards?!