[SWHouston]

I never allow that !!!

In fact, I train both mine to do what I call "avoidance".
If someone reaches down to pick them up, they will dodge,
run/retreat to a inaccessible area, and frequently will start
barking at the person.

If you think that's UNsociable, so be it !
But, with that, I'm a little more confident that they'll be there
for me to pick up later.

I have a command (a whistle) which disarms their retreat, or
if I hand someone (Groomer/Vet) one of them, then they don't
reject the person.

Furthermore, I encourage a high degree of territorial awareness,
nobody/nothing comes on the property or toward the house,
without me being VERY aware of it, because of their alertness.
They both are generously praised, each time they alarm...
for the right reason.

Dogs don't have to be big, or vicious (attack)
to be a good Guard Dog.