Congratulations on your ED2 acceptance to Boston College! You were accepted to many great schools.
In your previous thread, linked below, the schools you were aiming for were Emory, U. of Michigan, and Michigan State. Michigan State was projected as your likeliest acceptance, and Emory and UMich were thought unlikely. It appears you decided not to apply to UMich and Emory was a rejection. Thus, it does not appear as though the advice you were given was in conflict with what your actual results were.
As @DramaMama2021 indicated, students are generally advised to have a balanced list of schools to apply to. They can shoot their shot, but they need to have affordable sure things that they would be happy to attend. I’m very happy for you that everything worked out in your favor and wishing you the best of luck in your time at BC.