Weight isn't as much of an issue for Pickup Trucks.    If you watch the Video, they don't have an issue with towing and charging. There are issues with the Chargers.   Using the Engine to charge the battery is very inefficient, which may be why the real-world EREV mileage is so poor. 

I don't get it. 

Just a little napkin math, a 200 HP engine (which is about what the Ford 3.3L makes at peak torque of 4000 RPM) makes about 149,000 Watts of power.  So, assuming lossless charging, which I know is not the case, you could add about 75kWh to a battery in 30 minutes.   Now, I know there are lots of things at play here and this is more of an ideal calculation, but if you cut everything in half, you add 75kWh to a battery in 60 minutes.  In our Mach E, we can drive over 200 miles on 75kWh.

Yes, the big question is at what rate will the ICE generator be able to recharge the batteries.

Oh, goodie...another Musk fan-boi video....

And charging time.  If the battery is big, it takes a long time to charge it. That's fine for shorter trips or when you aren't towing, but when towing and eating up lots of electrons, it can be a pain.

I have a rattle when I get above 45 mph. (It used to be 55 mph). It's in the driver side post between front door and back.  With it being mph related I would guess it's something on the outside.  When I had it serviced last, it was on a Saturday, which is mainly oil changes, I had read on explorer forms that it might be the felt sound proofing come loose.  they tightened everything, but it still does it.  Any ideas?  

I don't think they will release it if it doesn't.   Thor/Harbinger is releasing an EREV class A RV.  It's speed is limited to 50 MPH after the battery is depleted.  However, it's only using a small 4 cylinder (I don't remember the displacement) as the generator for the battery.  I expect better from Ford.

The problem with big BEVs is battery cost and weight.  EREV partially solves both.

The wheel lip moldings have a bit of Tasman vibe.