This is true. What I see in my country is that initial product is maybe expensive, but still somehow acceptable. Problem is that, for some reason unknown to me,

This is true. What I see in my country is that initial product is maybe expensive, but still somehow acceptable. Problem is that, for some reason unknown to me, government does not gain rights to modify implemented solution and can't bring in another vendor to implement either next phase or do maintenance of the solution. And this introduces many years long vendor lock-in that pays off.