You'd be hard pushed to find an organisation that is able to be loyal to it's employees. There are some but they're in the minority, especially if we're talking about a company that can employ a lot of people.
The whole employer-employee relationship has inherent friction due to pay. This affects trust and loyalty. It is an employee's responsibility to ensure they maximise their earnings for the skills they have and it is the company's responsibility to keep outgoings low. Such a scenario will always breed suspicion if the working relationship is not sweet and parties do not spell out their long-term expectations.
The whole employer-employee relationship has inherent friction due to pay. This affects trust and loyalty. It is an employee's responsibility to ensure they maximise their earnings for the skills they have and it is the company's responsibility to keep outgoings low. Such a scenario will always breed suspicion if the working relationship is not sweet and parties do not spell out their long-term expectations.