You aren’t explicitly graded on it, but if you over cook yourself and struggle later you will get adapted down. Conversely, if you gain fitness taking this approach, you will get upgraded by virtue of doing more work. Alternatively, if this gives you confidence to try a harder that prescribed workout, and succeed, then your PLs will adjust and everything above repeats.
Think of AT as bowling with guard rails up. It keeps you out of the gutter. You can hit strikes the normal way, or the ugly way, or anything in between. The beauty is experimenting and not having worrying too much if you are gonna completely mess up. It might not have perfect PLs for you, and if you think it doesn’t, go ahead and experiment. Add on time/intensity if you want. Make it easier. So many options.