Item 1) is not mentioned, not even close to how
@Just4Fun phrased it. The context here is important. The so-called expert in the video compares Liaoning and Shandong, saying that even though the two carriers are outwardly very similar, there are internal and technological differences. He went on to say that conventional power broadly includes boilers, turbines, and electric drives. He 'thinks' Shandong has a 'new' conventional propulsion system compared to the Soviet-era Liaoning. Well you don't say!
Item 2) again is not mentioned. The word catapult does
not appear once in the video, nor was it ever implied. Again, the expert mentioned that the service life of a carrier could be up to 50 - 60 years, enough for two generations of carrier fighters. Therefore, the expert speculates that Shandong contains design provisions to accomodate the next generation of carrier fighters. I have no idea how
@Just4Fun could have made such a wild leap from something so innocuous. Actually, I know the answer: a rabid fanboy's wildly delusional wishful-thinking could well lead him to hear and see things that are not there.
Again, Sinodefence Forum is not a fanboy website. There are many internet forums for that purpose. This is not one of them.