[zby]

When people choose to meet at Central Station it is also in their interest - this is the same mechanism. It is a case where it is beneficial for people to choose the same thing - and people choose something because they believe others will choose it as well.

[phailhaus]

Yes, that makes sense when you're talking about why a person would choose to transact with Bitcoin. It's not "invalid" to choose Litecoin, it's just more familiar and easier to use Bitcoin. Schelling point is about social familiarity.

The reason people avoid invalid blocks is because they would have to convince every other node out there to accept it. It's a coordination issue.