We see, I think new engines will be much simpler they claim. Fuel management system was issues too on smaller v8's. I am still driving my 2010 Silverado. Most likely keep it until it's dead. It's very easy to work on and doesn't have all those fancy systems. My mechanic said he buy it off me in a second. He drives an 2003 for similar reasons. Has 450 k kms on iT.  Best motor seems to be 3.0 L diesel. I just wouldn't get first version of it. Second version they fixed all flaws 👌

I have a 2020 F250 with the Godzilla motor.  So far it works pretty good, no problems with it.  

Blatantly ignoring a "well known" problem - resulting in numerous failures and customers left holding the bag = class action and punitive damages. There are many reasons for "problems" 

Usually you hear the bad on the interwebs, people rarely come online to post the good and just carry on with their day.  Just like the bias towards the other manufactures, case in point, people still think Chrysler has tranny issues…never had one issue yet.  I know I have a bias towards GM, but I had a rented truck the other month and thought it was a great truck, albeit a newer one. I think all three have their strengths and weakness’, pick your poison and hope for the best.  As for not fixing a problem that is well known, IDK about that, does it happen, sure, but it gets blown out of proportion IMO when some folks have a bad experience that perhaps was not handled well by a dealer or competent mechanic.   If you can, try and talk to people you see on the road that has the truck or product you are interested in, most are happy to share their thoughts that you won’t see online. 

I've never heard much praise for the 6.0. Not that I ever heard anyone complain about reliability, but milage. Everyone I takled to always said that if you needed the power of the 6.0, you may as well git the 8.1. They both got about the same milage, and the 8.1 had way more power.   ???     Come on fella's, you're not really puting much on those motors! Mr's O typically gits a newer 'Burban at 400K miles, which is over 600K klicks. I think she's around 340/350 (?) currently, and we just had new bearings / crush sleeve / and even axles put in the rear end. This is the 3rd rear end we have had to rebuild in a row in the 300K range. No real issues with the motors. Tranny rebuilt around 225? ($$$ - I didn't doo that one myself)   I'm currently running a '99 Burban with the last of the 350's. I think it's around 275K miles right now. It was a North Carolina truck. A bit faded, but rust free.      .