You can see a quad motor Rivian performing worse than the new dual motor due this issue, the dual motor can use brake locking to send full torque from one side to the other, the quad motor cannot:
Electric motors have a lot of torque but EV drive trains are usually single speed so it must not have too much gear reduction for highway speed. A modern ICE offroad vehicle has a multispeed transmission with torque converter that greatly amplifies stall torque along with a transfer case that has a low range that multiplies even further. I would imagine when jeep does an electric production Wrangler it will probably have dual motors with lockers and may even have a 2 speed transmission for low range. Maybe they will even do like their Magento prototype and run a single large electric motor through a traditional transfer case and driveline.
I'm pretty sure that there'll eventually be some sort of LSD/locking programming for electric motors. Take the existing F-150 Tremor for example. It comes with a locking rear diff and a Torsen diff in the front axle. If you have a quad motor vehicle, someone could easily write a "locking rear diff" mode that simply has the rear motors turn at the same pace, and then have a "Torsen diff" mode for the front that will modulate the front motors just like a Torsen diff would.