Hi DKO and welcome to Sysnative forums!
I am glad to hear you found my post helpful :)
Often users advise these solution did not work and then the advice from the same posters quite often ceases. Whilst SFC and DISM are often a good idea (and repair or clean-up reinstall may be the only solutions ) few wish to reinstall windows and spend the next several days reinstalling all their software and doing all the fixes they have implemented to deal with Win 10 issues and I believe some of these solutions are suggested disproportionately ("sledge hammer to crush a nut". MAYBE my belief is misguided due to my own lack of knowledge.
I agree with what your saying, often the fixes are rather straight forward if you take the time to understand it, plus its always fun to come across an new issue, analysis it and find a solution
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1) 600+ SFC duplicate ownership warnings (SFC /scannow reports no integrity errors and passes verification).
These errors are perfectly normal, you will see them in almost(if not all?) CBS log from Win8+. But if you like post a thread in the Windows Update forum with your CBS log and I will take a look at it :)