If there is a universal Self, Advaita is pointless and no one ever reaches Moksha; ergo Advaita is a lie.
>Axioms
There is a Self
There is only Brahman which is the Self
The aggregates are impermanent and illusory
>Prop. 1
If there is a Self which is by its very nature non-dual and therefore without action, only the aggregates can possibly practice the path. But the aggregates are impermanent; every advancement in the path is lost with them and the goal is never achieved.
>Prop. 2
If there is a Self, only the aggregates can possibly reach moksha because change in the Self is nonsensical. But the aggregates are illusory; therefore no one ever achieved moksha.
>Corollary:
The Advaitins never achieves moksha.
>Corollary 2:
Advaita is a lie.