[Vespasian]

Also this thing can probably be tipped over pretty easily endangering itself or guests.

The character shape lends itself to a low center of gravity but the fluidity of the motion implies light weight or strong motors.

An angsty kid giving Olaf a good shove or kick could be expensive and fast moving robotics are either dangerous or brittle

[shadowgovt]

Everything about this chassis strongly suggests no guest touching will be allowed.

In addition to the points you've highlighted, the examples in the video and the images of the character strongly suggest it'll be a soft outer shell. I'd be more worried about a kid shoving it finding themselves caught by an internal pinch-point than damage to the robot.