I was poking around and saw a typo in ./7 Days To Die/EasyAntiCheat/Settings.json - there's a comma inside the quotations. Look at the value for "wait_for_game_process_exit".
The value is "false," instead of "false",
./7 Days To Die/EasyAntiCheat/Settings.json
{
"title": "7 Days to Die",
"executable": "7DaysToDie.exe",
"productid": "85fffb61212b491999cd7fc03eb09bf6",
"sandboxid": "8a44365d5ccb43328b4df2f8ca199e43",
"deploymentid": "c9ccbd00333f4dd6995beb7c75000942",
"requested_splash": "EasyAntiCheat/SplashScreen.png",
"wait_for_game_process_exit": "false,"
"hide_bootstrapper": "false",
"hide_gui": "false"
}