A lot of the asbestos in the youtube video above is in fibrous form, like the fireproof asbestos clothing. So touching it would probably release some fibres int

A lot of the asbestos in the youtube video above is in fibrous form, like the fireproof asbestos clothing. So touching it would probably release some fibres into the air. A small amount isn't actually all that bad. But it adds up over time. Conversely, the asbestos in products like asbestos roof tiles is harmless when it's just sitting there, which is why it can be perfectly safe to just seal it up, or even do nothing at all. Of course, during demolition, you will release deadly asbestos fibres into the air unless precautions are taken. The fact that asbestos isn't immediately harmful - and can be used safely - is probably part of the problem: it's easy to ignore long term effects because it's not obviously and immediately toxic.