I don't see any problem with talking "range" when we're talking about the same car on this "Bolt" forum.
I completely understand the point of saying that "my range dropped".
The problem I see is the lack of details, or more exactly - data that can be quantified.
If I say my range dropped - there are several things that may happen. Low tire pressure, alignment issues, ambient temperature, binding brakes, and dozens of other factors including
Now, if I say that I used to get 200 miles on one charge, but now it is 100 miles... and battery used to take 48 kWh to charge from 10% to 90%, but now I get 24 kWh - the answer is simple - battery is corrupt (software/algorithm/cells...). From this point now on we can talk details.
And it does not matter what EV we are talking about.
Yes, it is Bolt, but same principle applies to all BEV (and ICE) when comes to troubleshooting.
In my Fiat after cleaning brakes and lubricating sliders/pins - I got about 0.2 mile/kWh more using same driving style. Who would think...
Therefore, for now - I would ask for more details. Maybe read from the trip summary what is the mile/kWh result. How much charge needs to be added to replenish battery from level A to level B.