Continuity mistake: Andy just locked his friends out of the Zed Mart. In the overhead shot the cleaver is in the middle of the doormat section, while in the close-up it's across the two sections of the floor. (01:16:30)
Continuity mistake: Andy returns home a little early and opens the door finding mom doing tonsil hockey with a dude named Shane. The multicolored wrapping in her hand switches instantly from right to left hand as she realises her kid is there. (00:09:20)
Continuity mistake: On top of the ladder, the Xmas lights wrapped around Shane change between shots repeatedly. (00:38:00)
Answer: The employee's bosses overworked and abused him. He was depressed, had emotional issues, and probably felt his life was hopeless. Before committing suicide, he wanted retaliation against the company for making him so miserable, so he disabled the safety protocols on the "Buddi" doll's computer chip. Mostly, it's a convenient plot point to explain how Chucky came about.
raywest ★