It was important to me the thing could kneel, pick up a minifig and fit them inside the cockpit. That's the OG way you're supposed to board a Titan - they find you when you call and help the pilot into the cockpit. Shame it's not a standard thing in the actual game. Walking and actually climbing into a mech is a pain.
Context for what a Titan should do in domestic situations in Lego City:
https://www.youtube.com/watch?v=UzO9AfB2oSc 