That's what I heard from other people, my town was full of country bumpkins and my old friend had a horse so I knew a bit about them.
What breed of horse would you say is the best for people who have never had a horse before? Are breeds of horses similar to dogs in that they have different temperaments genetically?
Oh yeah definitely
You can organize breeds in warm bloods, whole bloods and cold bloods.
It really depends on what you want to do with the horse. Generally, warm bloods and whole bloods have more blood and are used for sports so they really need to exercise. A typical example is the Arabian horse. They are generally known to be fast and kinda wild. There are of course exceptions like you have with dog breeds.
For beginners, I'd say cold bloods are the best. They are generally calm but very strong.
I have seen a lot of Fjords and Haflingers that are generally calm, so I'd go with them if you just want to keep them. For riding, they are quite stubborn (but you have a sport version of the Haflinger). There are also mini horses and the Falabella, a pony smaller than the Shetland. You can't ride them but from what I know, are doing really well with small kids to teach them how to cope with horses. I don't own one nor do I know anyone personally who owns one but I know that they are bought for small kids so I guess they're very calm and trustworthy generally.
Of course, I would recommend that you only get a horse if you know enough about them and their needs.
Tip: don't get Shetlanders cuz they're devils and seem sweet but Oooooohhh boyyyy are they a handful