That was a silly decision.I took mine back, I was going to wait for a software fix but I have this exact same issue on a 2019 15" Core i9 machine and even on the latest version of Mojave, the issue is still present for me. I was very disappointed when I setup the 16" from scratch (not restoring any cloud or local data from the other machine) and experienced the same issue.
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And no other company also has such a cult following full of apologists that defends their every mistake.