no. it casts what spells it has - there is no information in spell data to say what the highest lvl toon a spell can get cast upon. so the xtarget buffing is going to try and cast what spells it has in its spell sets.
so you can't use these plugins to xtarget buff toons that can't receive your spells. they're not really designed with "pling super low lvl toons" in mind. there are a multitude of macros that handle just that specific need tho like
@kaen01's
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