> He said that they are easy to to train compared to other sighthounds and are quiet and not fussed about other people?
Definitely, they will stand and let strangers pat them if they must, but they won't show them any affection or seek them out, they're just not interested in people they don't know.
Training is a breeze, mine (and all my friends silkens) are off lead every day, never any issues. The trick is to let them off as young pups and then it's just not a novelty. They like to zoom for short periods, in big circles round you, then they'll just trot along beside/behind you.
My keenest racer has actually been whistled off deer twice, I've even got a [video of it. I didn't even think to call him initially when he was chasing it, because I've previously owned borzois and that would have been a waste of breath

Then I thought I'll just whistle and see, and he spun round and came racing straight back. I was amazed, but he's done it since too so it wasn't a fluke

I've lost borzoi for several hours before after deer!
I've owned collies, a couple of shepherds, lurchers and borzois over my life and silkens are by far the easiest breed I've ever known. They're not for everyone though, if you want a dog that will play fetch or tuggy forever with you, don't get a silken. Mine do like a game of tuggy for a minute or two, or they'll fetch their toy 5 or 6 times, the next time you throw it they look at you as if you're crazy and wander off for a snooze.
Some people think they're dull, 'non dogs' my brother calls them, but that's not the case, they all have their defined, and different, funny personalities it's just they're not in your face, leaping all over you, demanding attention type.
They do love their owners though, mine always like to lie next to me, preferably touching me in the evening. I have to sit in the middle of the sofa with a silken either side and one between my legs on the footstool.