[vzqx]

(1) When a resource is unlimited, it's easier to distribute that resource cheaply to everyone, which is exactly what communism strives for. Resource scarcity leads to power being concentrated in a small ownership class - e.g. capitalism.

(2) Why think "more cars, planes, phones, content, etc" are unique to capitalism? People want to travel and to be entertained, regardless of the economic system they live in. Communism doesn't mean people will suddenly want fewer material goods.