bearing in mind the body is designed to pushs away from itself, including the floor if you fall over then the only way bench press would ruin shoulders is fuckwits using way too much weight
as I said before the shoulder structure isnt designed to lift things overhead, we have no need to do it in nature
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.