"As a side note, you probably don't know shit about vaccines. What makes you think spacing them out will improve her reactions to them?"
For the same reason that I let my toddler eat dirt if she wants to. The longer her immune system has to build up a defense, the better it will defend against something in a vaccine that causes her medical or allergic distress.
If your kid was allergic to peanuts, would you be allowing your neighbors to force her to eat peanuts?