This all looks OK. As you might expect, macOS has some bugs in this area, and while some give annoying errors as explained in the blog, some are visual, as you're seeing. We've tried to work around as many of them as possible with strategic unmounts/mounts.
The sizes are coming from the OS's tool status and it's wrong - they give the totals when they shouldn't. This they broke between Big Sur and Monterey.
In other words, it's always something...
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--Dave Nanian
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