They are a lot more efficient in their class and might convince some ICE drivers to switch. Their range tends to be quite good. Unfortunately they have drawbacks:
They require a very large battery. If you don’t find >150kW chargers, you’ll be waiting a long time
More batteries per car = worse environmental impact from production
Road degradation grows by the fourth power w.r.t. vehicle weight. The big batteries make electric SUVs very heavy
SUVs are more dangerous for pedestrians due to their size
In a crash SUVs deliver much more energy, killing more people.
What about BEV SUVs?
They are a lot more efficient in their class and might convince some ICE drivers to switch. Their range tends to be quite good. Unfortunately they have drawbacks: