But those investments will only get bigger over time and vendor lock-in will get more complex. I get that there is no unlimited budget to this but proper will to migrate for good would look very differently.

For example detailed plan for next 5-10 years how gradually everything moves. Now it feels like 1 step ahead 3 steps back, nice pat on the back for doing something, while overall transition will take 2 centuries unless magic happens. Not enough, not at this point when all cards are on the table.