I no longer have an MSI board, but the premise is the same. As mentioned in that "other" post I found both my MSI board I had and the Gigabyte I now have would put more voltage into the CPU than was needed for stability, even when overclocked.
There are plenty of YT vids going into such detail, I imagine.
With my my Gigabyte board I am able to put a small negative offset that allows my 12700k to run at 5.1Ghz / 4Ghz with no heat issues.
I have tried a constant voltage, some prefer this, but I do not see the point in that. As with many things tho there isn't an absolute right way for everyone.
I like my CPU to vary its speed and also its voltage, stability is not compromised.
I absolutely do not run the likes of CB, especially in this weather. CB is not really a means to an end in terms of assessing how you typically use your PC. Altho some seem to enjoy spending lots of time involving that.
If it's not a problem now, then leave things as they are. If it might be a problem in the future..........................deal with it then. It is far too warm to do meaningful tests and make cooling adjustments now.
My temps of the CPU I note are an average of 10 seconds, in terms of fan control. I do not bother about "spikes" but trends.