Doesn't it also mean the opposite? This person was at a better company now this person wants to work here. Why? What went wrong? Did big company make a mist

Doesn't it also mean the opposite? This person was at a better company now this person wants to work here. Why? What went wrong? Did big company make a mistake hiring. Vs this person seems to be on the rise. Each company is a bigger and each position is more senior.