Um? So teller mines, spotting scopes and AT strafe are worth skipping in favor of command PIV, tactician and hull down? Really now.
Give a single reason, why you would even think of picking fortified over Jaeger, even if both commanders would have been free, considering you are picking both commanders pretty much to get Elephant.
You always have access to teller. No one uses Riegal's cause you need an HT for that. Ninja Panzer is one of the most powerfull(if not out right op) abilies in the game. CP4 make the already hard to kill ELE even more unkillable. And hull down Panthers can out range every TD(50*1.25=62.5>60) while having way higher Defenses compared to them. So yes there is a lot of powerful abilities in this commander too. But
People dont need to pay or grind for Jager Armor so for Elephant people choose Jager armor. Like here is a IRL analogy Mercedes sports cars are better than the average car in every way do why don't most people actually use these thing. IDK i can't really tell.