Everyone is different....and so much the better.
Interestingly enough, I've been dealing with this sort of issue lately....and I came to the opposite conclusion. I only had 4 handguns, not a collection.....and not much of an "accumulation", either. But, I came to the realization that this was too many for me. I believe that the differing styles were holding me back, as regards improving my shooting ability and self defense training. So, I've now cut my inventory to 2 handguns - both very similar in size, same cartridge and both with the same operation ("manual of arms"). I carry both interchangeably.
So, in essence, I do expect my handguns to "do it all". But, variety is the spice of life. Whatever others choose to do, I'm pleased if it works to their satisfaction.