There is nothing wrong with it, and yes it is common. And no, it doesn't change anything about the employee's personal life insurance. The insurance is to cov

There is nothing wrong with it, and yes it is common. And no, it doesn't change anything about the employee's personal life insurance. The insurance is to cover their cost of replacing you. Finding and training a new employee costs money, sometimes a lot of money. From a developer's standpoint, it often take 3-6 months for a developer to be productive in a new environment...sometimes longer (and from what I've seen, knowing the language ahead of time doesn't really change anything, it is time spent learning the business problem).