There is something fishy in this whole story. - You wouldn't risk your new position by not quitting your old one. - Apple would not want you to keep your old job since they want your focus on your new position. - Getting double salaries is not worth the paperwork headache of tricking the system. The only reason I can think of is, he would get some sort of extra pay from his old job if he would fulfil a time written o…
It turned out playing out much like what Patel describes with Ziegler. Manager at old job became suspicious when he became largely unresponsive and figured out what was going on, then fired him. I think he thought he could do both at once better than he was able to.