Thanks for the feedback given. Some remarks:
“selecting one option or the other was useless, because it didn’t work” is not an answer. You decided to omit any detailed information. It’s frustrating.
The above is your interpretation. My experience with dozens of installations is quite different.
I disagree. Implementing the procedures described in the video very significantly reduced the number of issues encountered with zypper dist-upgrade.
Problems do occur:
However most issues reported in openSUSE forums are due to careless or clueless upgrading.