The thing is, it often doesn’t turn out as expected. Most kids change their majors. Multiple times. Engineering, premed lose half their students before graduation. Look at how long it takes for the average student to finish college.
Absolutely, there are going to be issues. OP is smart to see it right off. We want to be optimistic and force it at these times butbthe fact of the matter is that things do go wrong.
Yes, if you are in a program that requires no applications once you are there, it’s gets rid of the pain of going through the process again. But even in a program, kids bail to a more general major if things go south.