Drawing this reasoning to AWS: People don't want to move away from AWS because they like AWS/don't want to train their engineers and not primarily because movin

Drawing this reasoning to AWS: People don't want to move away from AWS because they like AWS/don't want to train their engineers and not primarily because moving data out from AWS is going to bankrupt them? Surely former reasons are valid and those people do exist.. but anecdotally most companies that I know are the latter. Maybe most iPhone users would stick with iPhone even if there's no lock in, but we don't know that because there is a lock in.