I remember when I 601a came in, the whole thing made little sense to me, including why if you were here illegally you would give your address and contact details, sort of I am here come and get me.
Gives you no status, and I never came across anything that said we will not deport you, not like say DACA.
But then waivers strike me as silly, just a question of presentation, money and waiting, waste of everyone’s time.