Thirty years ago, I had a cyst in my buttock removed. I'd had it for some years but decided to get it removed when sitting down became uncomfortable. Apparently some part of the sac got left behind, and grew back. A second surgery months later got it all out. An inconvenience at best, but was I...
Years ago I used to do that, 1:200 in my diesels. But stopped when biodiesel 5% became available. Biodiesel has vastly improved lubricity vs nonbiodiesel.
I may have missed it, but have you tried pushing down on the oil filter's bypass valve? If not yet, try it. Most open when the delta Pressure in the filter is around 14 psi. If there is unusual resistance to your finger pressure, the oil pump relief valve is now suspect.
Not too much to learn from a UOA at 2000 miles from new. The break in wear stuff is still leaching into the oil and will naturally be elevated beyond "normal" levels. I'd wait till the engine is fully broken in. That may take beyond 10,000 miles.
You are good with 10W-40. In my 2012 CRV (same generation engine as your 2014) I have run a fully synthetic 5W-40 since new and it has been trouble free from day 1.
But isn't the oil also there to keep the rubber o-ring seals nice and pliable? That's why it is recommended to use the AC system very few weeks, even in winter. Too long unused, the rubber seals allow refrigerant to leak. Happened to me once after a car hibernation of 4 1/2 months.
It is a fact that the oil filter does not trap all particle sizes. It can allow particles smaller than 20 microns to pass through, and we know these can accelerate engine wear rate. An early oil change can mitigate this.
That is a good idea. I change my oil after ONE day or TWO after the valve cover is off and/or some inner engine work is done. You don't know if the mechanic allowed/got some dust in there while he was at it.
The original tires on my Kia were sized 235/60/16 (rated at 100H) but the owner's manual stated that I could use 215/65/16 tires (rated at 98H) so that's what I bought at the next tire purchase. I would use the 225s on the Sienna with no worries. They are very close to the 235's physical size...