- this is hopelessly naïve. Lock-in occurs when you no longer can generate the capex to resolve the opex drain that a vendor squeezing you has created. If any vendor realises that you can raise the capex to get off them then they will raise the opex demand to the point of financial viability to maximise their returns and to ensure future returns (because by doing this they underline their control)
Vendors can't help doing this, it's natural. Also it's their duty to their shareholders.
Our responsibility is to NEVER get into this situation.
Can any single customer smaller than the US government get a policy change at Amazon by threatening to walk away?
Usually the new provider will advertise the win in such a way it highlights their competitive advantages. This can be extremely painful for the company that lost the very high profile brand.
They publicly advertise this under the "Netflix Open Connect" initiative: