GM to cut powertrain warranty to 60,000 miles

The only thing I have ever had fail consistently on any GM at just about 100k is wheel bearings. But I hear that's a problem with pretty much all the sealed hubs now. But given that it's well over $500 to have a dealer change out a hub and GM has to pay the labor on these, that can add up, if both fail within warranty. Not to mention other drive train items that might fail