Most cats by nature are wary of humans, cats are very smart and know humans can be very cruel and that’s why cats may run away from you in the street instead of come when you call
Cats are very friendly when they trust you, time and patience and lots of love are all it takes so if you are getting or have a new cat, give it time and lots of positive attention and praise.
My own cat was a bit of a terror in his youth and we found that he was lets say, not to everyone’s taste, and not everyone was to his! And yes he seemed and possibly was unfriendly to people it was nothing to do with how much time we spent with him, I spent a lot of my time with him nor how I treated him, I loved him to bits and he knew it.
Like people they are all different, my cat was a little misunderstood, but i got him perfectly and loved him for all his mental disabilities.
Sometimes it is to do with treatment, I do know my cousin used to play rough (not bad just rough) with my cat as a kitten before we got him and this may have contributed to his behavior but most cats can be brought around from this with love and training, and patience!
Generally cats make great companions and when they trust you will be your friend for life, but they may not be friendly with everyone you know, as with people cats can also have people who rub them up the wrong way forgive the pun and they may not like them from the start, but then some may begin to trust them too with time etc.
Cats get a bad rap, and macho (insecure) guys think it’s cool to be mean to them. Here’s help showing them the errors of their ways.
The first one is comparable to a German Shepard versus an adult male elephant.
And to pile on:
They sure can be stoic:
Broaden your horizons.