>>12431127Yes, it is (technically) possible.
Walking is, relative to wheels or tracks, extremely difficult to design around. Because the mass is so high up, the vehicle must be designed and programmed with the ability to balance itself. Legs are inherently larger targets than wheels, so it becomes essential that they be well armored, while also keeping the craft light enough that the joints can react relatively quickly for balancing.
They're also, generally, not as effective as wheels. Wheels and treads can go faster, and work with greater energy efficiency. Even in rough terrain, like forests or deep snow, corkscrew treads are often better, if only because of how much easier they are to design and maintain.
Even if shields were invented, it's easy to imagine a weapon that could "crack" shields wouldn't be that far behind. A legged vehicle is always going to have a higher, overall larger profile than a wheeled one of similar design, making it a larger target, and requiring more defenses if attacked. Disregarding armor or active defenses, speed and maneuverability are significantly more important in a war than I think you realize. A neigh-indestructible super weapon is useless if it can't get to where it needs to be, and with current technology, walkers are doomed to be pretty slow.
Gravity isn't THAT much of a problem. More that, as mentioned, wheels and tank treads are (currently) significantly more efficient in almost every metric.
That you say "AT-ST" while posting a picture of AT-ATs makes my eye twitch.
