As per this QnA, anyone killed by the Supreme Lord achieves Moksha. Then why is it that the cursed Jīvātman of Jaya & Vijaya (the door keepers of God Vishnu's Vaikuntha) had to be re-born not once, twice, but thrice (that too, as far as I can guess, it's is for this Kalpa only)?
Even, if we factor-in the fact about the fulfillment of the curse, then too, the events might be repeating almost with the same basic details in some next Kalpas. Moreover, if we say that the events although repeat in a same manner, however, the material body will still remain same in all cycles but the jeevataman that's inside being a different-new one. By that logic, considering that the door-keepers are Nitya Suris (as per this source), and hence, their jivataman cannot change as per definition. So even after being re-born and killed by the Supreme Lord in some Kalpa cycle, they'll be re-born as demons in next cycles. So, that kind of becomes a paradox, as per my understanding. They're effectively not achieving Moksha (even after getting slayed by the Supreme Lord) but are re-born in this sāṃsārika world, again and again.
In that sense, both, Jaya & Vijaya will be re-born as demons afresh, and killed by the Supreme Lord in his various incarnations, yet again and again, in a never ending eternal kāla-chakra cycle? Same arguments may be extended to the case of Kālanemi as well, who was killed by Lord Vishnu & reborn again as Kaṃsa.
So, dosen't that invalidates the very idea portrayed in the verses of Srimad Bhagvatam?
Furthermore, using the above case, can one, also conclude that thus, the state of Moksha is not a permanent state but is rather, unequivocally a subject to be changed with new days of Brahma i.e., the Kalpas, i.e., Moksha may last only for a Kalpa or a couple of Kalpas or maybe in some cases some Mahakalpas, but not permanent?
The following questions, as I also have linked them in my present question, are used as arguments to build up on my argument regarding Moksha via the Supreme God, they in no way clarify my doubt, they are just to clarify the doubts of the readers (including me), so a better answer maybe begotten. THESE QUESTIONS ARE MY ARGUMENTS ITSELF AND NOT WHAT I'M ACTUALLY ASKING.