Yes but all of that is a good idea to implement on a new project starting today with lots of money and a big competent team. Migrations are hard when you have

Yes but all of that is a good idea to implement on a new project starting today with lots of money and a big competent team. Migrations are hard when you have to fight with the project management triangle and then realize that the migration you're doing is on a system which is old, bespoke or not supported. Or all of the above. I like your optimism, but it's always hard work. The most important part of all processes is knowing when you're past a point at which you cannot turn back from.