Of course we need to lift things overhead.
Man has been lifting things overhead for his entire existence.
How do you think man has built things?
People that bench a lot get rounded over shoulders from excessive front delt work.
The preponderence of rotator cuff injuries with weight trainers did not occur until the flat bench press became popular.
The creation of new exercises to "cure" bench press injuries is a result of rotator cuff problems due to flat benching.
no he hasnt, we have the same shoulder anatomy as apes, he started walking upright but our shoulders remained the same
We pull towards ourselves we push things away, we also use our back to climb und pull things downwards
Go watch apes in the wild, they almost never lift things over their heads