I don't think this is at all true. FH3 is the most recent game with any actual data available, but here's a real Model S torque curve compared with a graphing of what that game uses, one of their early attempts at an EV.
View attachment 1268114
Peak torque is at 0 rpm and drops off from there - the only curve I could find online was based on speed rather than rpm so it looks a bit different, but it's trying to do the same sort of shape.
This is still being done in FH5 too, and more accurately - grab the Taycan and watch the telemetry screen while pulling away in 2nd gear. Peak torque registers from 0 up to about 6000rpm, when peak power is hit and the torque gradually drops down with constant power output. Try the Nevera, peak torque is solid from 0 to 4000rpm, and past that its power keeps climbing faster than the torque falls.
As far as I can tell there's a genuine effort to reproduce the characteristics of the motors in each car, in the same way that they represent ICE torque curves and response. As early as FM4 with the Tesla Roadster they have a whole separate set of data for EVs unique to that type of powertrain.