I don't think that people will lose interest about bitcoin. Because bitcoin now is so popular and it was trusted by the users and i think that it will be more popular next year and future.
No, people will not loss interest in bitcoin in fact many people are still getting attached on bitcoin because of its unimaginable dominance today when it comes to providing a profitable income. If there has who lost their interest twas those who didn't work hard their account to make it grow, those who didn't try to make their best.