Maybe. There is a definite possibility that that many alpha type personalities will not do well in an enclosed space, which could lead to self destructive conflict. In that event, it would be scavenging, not stealing.
That’s true; if the owners are deceased, and no lawful heirs are anywhere around, or determinable (in a SHTF scenario) then scavenging is not only allowable but smart.
But the way the original comment was phrased seemed to indicate that he (or she) would like to get there first....