New Tires, should the lug nuts have a re-tighening check?

I always double check mine after I've had the wheels off. Always check before a trip too

It you do check them and they are tight, what's the big deal ?
If you don't check them and they come loose, that could be a big deal.

I check mine every time I take a trip. Cheap insurance.

So, when you purchase a car, truck or motorhome new, who rechecks the torque after it leaves the factory? No one. Now, the real issue is, did the tire installer at the local tire shop or roadside service actually use a torque wrench? Was it set to the proper torque? That should be the real question. I have been in the truck business for 30+ years. The real issue is making sure the job is done correctly each time a wheel is removed.

Never owned a motor home....but ..
All of our cars, trucks, and trailers required a re torque after 25-100 miles when the tires were replaced.

Loves changed a tire on the road for us and wouldn't sign off on the warranty unless we had the wheel re-torqued at the next Loves.