I feel like that would be a fairly normal response. Elevators are not typically found underwater so finding yourself in an underwater elevator is not going to be a particularly reassuring experience.
Apart from anything else a cube is not a particularly good shape for holding back water pressure



It’s a big country, lots of cultural differences. Unfortunately the education system is pretty bad here.
The only country name we’ve learnt to spell is Portugal. We’re pretty bad at all the others.