Firstly, I don't have an Outback currently, but I've had my Levorg for 6 years now with zero issues. It's my seventh Subaru, all of which have been 100% reliable. I am currently thinking of changing to a Gen 5 Outback too, and having driven a Gen 6, I totally agree with your comparison to the Gen 5. It sounds like the perfect car for your needs, the motoring press have never understood these cars, and Subaru don't do extravagant launches with freebies galore for the press, which might have something to do with it. For example, reviews of the Levorg mainly said I'd be better off with a Skoda Octavia, which is a very different sort of car, and so bland I'd have died of boredom by now.
I wouldn't hesitate to recommend a 2018+ (facelift) Outback from a main dealer with a full history (very important with any Subaru).