Correct, social consensus is required for property rights. You also need an entity to enforce this social contract as well. Which, historically speaking, is a centralized governing body or consented upon body of enforcers. Without enforcement, there is no private property.
Yes, profit is revenue above labor and materials. If you are consistently in profit AND seek more profit, that value has to be taken from somewhere.
It is not historically accurate nor factual that profits has been the motivation and intention of humans from the start. It is actually quite the opposite.
If capitalism worked so well, there would be no need for social programs to subsidize labor, healthcare, shelter, and education for capitalism.
Capitalism needs the cheapest labor and materials possible for more “profits”.
Capitalism is “rent seeking” behavior at every level and aspect. It literally goes against the proof of work concept. Capitalism profits just from owning the means of production and centralizing capital to own more means of production. It’s mathematically unsustainable and we are seeing why.
Bitcoin highlights capitalism flaws because Bitcoin was developed to stop capital control and prevent rent seeking behavior by demonetizing life essentials like housing.