You just listed a bunch of completely unnecessary steps and of course they take time. The best part is as a reward for your extra effort, you have a string that is no more secure and actually has a new weak point that you introduced.
Here is a Taylor video. Show me someone doing the Martin method faster...
https://www.youtube.com/watch?v=vyD_t8dFgsY&ab_channel=TaylorGuitars
In effort not to turn this into another "tone is in the fingers/pickups/wood/where-ever-the-heck-tone-comes-from" kind of subject, ,I'm not looking for a vid of anyone changing strings. Also, you have to admit that your vid is an outlier because nobody actually races to change strings like that guy was doing. What I can tell you is that I can, and do on a regular basis change a set of strings in about 5 minutes, and I'm not racing like that guy, I don't use a a powered driver of any sort, and I don't have to clean strings up off the floor when I'm done. So, if you want to call the extra 3 minutes it takes me to change strings a waste of time, feel free.
Also, I don't buy the added weak point argument. Never have. Granted, it's anecdotal, but out of all the strings I've ever had break, I could count on one hand the number of them that broke at the post, and the ones that did were probably all due to trying to reuse strings.
I'll update my earlier statement by saying that, except for this guy who was obviously trying to set some sort of record, use whichever method you want to use because, after you've used that method more than a couple of times, the speed difference in the two is nominal to non-existent. However, as with most things guitar related, YMMV.