Ask the same in your own infrastructure. They'll give even worse estimate.
The thing with the cloud, is that it's public, they all follow the same stuff and their goal is for you to migrate to them. They got an hundred similar situation as yours.
> At the same time, your competitors are actually trying to create products that meet their customers needs while your resources are tied up in migrations.
How is that different from your own infrastructure? If you have to migrate, you have to migrate... whatever is the source and whatever is the destination, migration is migration.
