Cloud's dirty little secret is that vendors don’t want you to leave them. They want to lock you into them for as long as possible, and you can’t blame them, it's good business sense!
However, the person responsible for the company's digital workplace needs to think about how the organization would handle a sudden price increase or sudden change in the organization’s strategic direction. They need to think about where all the data is stored, and how the organization would manage if they were moving to another provider.
Luckily, cloud-to-cloud migration is simple and available, it’s all in the planning.