True, that was why I also installed an after market engine oil cooler. One for the transaxle and one for the engine. I change my oil religiously ever 3K to 4K miles.
I've never had blue smoke. White smoke in the morning at start-up, that's normal, especially at this time of the year. Mileage is great, and best of all. It doesn't burn oil like some RAV4.1 are notoriously pron.
All the mods that I've done were toward this goal, durability.
I guess my engine will give me at least 20 to 25 years more of service. Unless I get tired of it and want to install a....
Oh, BTW, I've never open it for nothing. Not even the valve cover.