I think he is saying that "bitcoin" is stuck in a corner in that it is now a niche "product" that is used by few people and more adoption would get it out of the "corner". The part about it being able to travel around the world is pretty self explanatory

Slightly off topic - are you getting paid by someone to wear your signature? I know you have said that you will not do business on this forum but I have noticed that you started wearing your signature around the same time 3 or 4 other people were wearing similar signatures.