Still breaking in, no worries. There is no fuel dilution, but I would recheck any changes to intake plumbing to make sure no external source of silicon is ending up in the oil.
Definitely need to step up the oil game, it sheared very quickly. TBN should have held up, but don't know for sure. I know I was disappointed when I switched from Motorcraft synblend to Motorcraft full synthetic on my Edge. It actually ran better on synblend LOL. Likely would have been better off with the new Shell Rotella G&T than Motorcraft.