This is absolutely not true. Customers regularly shift spends in the >= 7-digit between cloud providers. Yes, it takes planning, and it takes many engineer-months of work, but it definitely happens.
And also factor in (1) the claim that most cloud growth is ahead of us, eg. moving large customers from on-prem to cloud, and (2) it would be terrible policy to try to charge existing customers more than new customers.
And also factor in (1) the claim that most cloud growth is ahead of us, eg. moving large customers from on-prem to cloud, and (2) it would be terrible policy to try to charge existing customers more than new customers.