Tarantulas have a slower metabolism than smaller spiders. They can't jump, unlike smaller spiders. They climb much slower than smaller spiders. So they appear easier to control and hence safer. Tarantula are close to blind. read more
So the chances of you getting caught in one of their webs is very small. Smaller spiders have this web that sticks up. Smaller spiders can run on their feeding web. So the webs of smaller spiders seems more dangerous. Tarantulas also have this hair (setae) that from one direction is so very soft. When held properly, the tarantula feels so nice. read more