Are deferrals going to severely impact me this year?

They could. Look up what Yale and each of the schools on your list, how they are handling deferrals in terms of reducing classes and admissions. I’ve seen some schools’ takes on the subject; some have not said yet. Call the AO and specifically ask n

Some schools are playing it by ear, or close to their chests, and they can always change their minds. These decisions have been evolving and changing with the situations, so no one can tell you for sure.