You saying it doesn't make it so...
Top comment on the second video is a perfect explanation:
"hey man... as a professional media engineer for MTV Networks.. i've learned quite a bit about cameras and gear from watching your videos. i was a little surprised that you were editing like this. that is always a 100% rule.
never ever edit in a 23.98 timeline unless ALL of the media was captured/shot at 23.98 ("24p"). in the case of documentaries that contain new modern 29.97 interview footage and older 23.98 film based footage...the 23.98 footage will have a telecine conversion run on it to make it 29.97. in 1 second...it will take 3 progressive frames...then it will have 2 interlaced frames (combining frames 1 and 2....and the other combining frames 2 and 3 of the sequence.) this is called 3:2 pulldown. this is done so that if you needed to...you can actually run an INVERSE telecine and bring the file back to the native 23.98. so the rule is that you can always go from 23.98 to 29.97...but never the other way around. another note.. while the term 24P is what we all call it...there actually is a difference between 23.98 and true 24p. 24p is only achieved using very high end cameras like professional Sony cameras used in the film industry. this is so that they are able to transfer the content to film if that is the plan. all available pro and prosumer cameras shoot in 23.98. same with 29.97...although there is no 30P. it's all 29.97 fps"
Believe it or a not, a simple YouTube comment explains the issue better than most anything else I've seen. Why this source and not something that looks more reputable? Because professional videographers and filmmakers don't spend their time
arguing on forums - because even DSLRs have been capable of capturing 23.98 for over 10 years, there's nothing to argue over. With access to the proper capture format, the debate never even occurs.