Political parties take shape from an ideology (Stage 1), scale up through personification of that ideology (stage 2), and become stable through institutionalisation of that ideology (stage 3).
It has taken great effort by Kejriwal personally to see party from stage 1 to stage 2. Kejriwal faction understands activism and zameeni-politics far better than PY faction (personal experience – I have been involved with campaigns of both factions – Manish Sisodia in Del 13, and Pankaj Pushkar in Del 14)
Foundation of this Ke-PY conflict has been this stage 2. PY are uncomfortable with personification, and may be don’t foresee any transition. (Personfication also means the person makes most decisions and hence holds most power – where to fight, what to do, who to promote, who to lead). IMO, PY should have been more patient with transition to happen to stage 3. It was too early for them to go all guns blazing about it.
As far for transition from stage 2 to stage 3 is concerned, I think if Kejriwal fails to do that Delhi success will be flash in the pan for AAP/Kejriwal. Personification of politics leads to centralization of power, which soon turns into sycophancy, and thus leads to loss of merit in the party. Thats what happened with Congress over the years.
As for me, I support Ke faction right now. I will stop supporting them completely if the transition from stage 2 to stage 3 doesnt happen. ActuallyIMO they will make themselves become unsupportable.