I’ve submitted feedback as a bug report as well.
Please update with what Apple tells you. I’m really curious to see how they resolve this as I’m sure my BTO MBP will be a pain to exchange. Not to mention going through the entire set up process again with the possibility of experiencing the same issues.
For now they just walked me through resetting the SMC and the PRAM (being a new Mac user I had no idea how to do those), and told me to call them back if either issue happens again It's very intermittent for me - it last happened I think 5 days ago, so we'll see.