I would guess most road bikes sold in the US prior to the mid 80's or so came with 27" inch wheels and 1.25" tires (about 32 mm). They typically had rack/fender mounts as well. These aren't traditional road bikes?

When MTBs gained popularity, road bikes became more of a niche item with the focus on performance or perhaps touring. But even my 2005 Specialized which was marketed as entry level completion bike, has rack mounts. There were allowances made for trips that weren't all about speed but you'd be lucky to squeeze even 28 mm tires on it. Depending on how you like to ride, that might be perfectly fine. It is for me, - except for winter.

For me even 35mm isn't wide enough for winter, so your definition of an all-rounder doesn't work in my case. And that is my point. You may love your bike(s), but that may or may not have any relevance for me or someone else. This time of year I see lots of people commuting on road bikes, - many old ones but lots of new ones too, and I presume they work well enough for them. Even in winter you'll see some people riding skinny-tire bikes but a majority of people are riding on something wider than 35mm.

They are all legit commuter bikes.