Yep, I'm a contractor, I would absolutely only own one to use for work if I had a big property, and it'd be groundskeeping. Just FYI though, Kei trucks are used as contractor/work trucks in Japan, as are Kei vans.

But your average person's Home Depot trip isn't going to be close to what a contractor would use. And, just like what currently happens, if your vehicle can't handle an outlying circumstance, you either rent one that can or have the materials delivered.

So beyond work applications, and towing which most people don't need the size vehicle they have for what they're towing, modern pickup trucks are oversized and unnecessary for probably 95% of people.