Investors and nonprofessional people have different thinking about bitcoin. But in my thinking now bitcoin is still worth-able and its price groow above $1000. So we have no argue to discuss about bitcoin price value. In my eyes, bitcoin already achieved a successful place and now it is depend on ourself how we gain and make profit from bitcoin.
Succesfull for a currency in my perspective is not determined on how much the coin's value is, but how's its coverage and usage in this world. It's no use if there's some altcoins which have overwhelming value but only be used among communities which coverage is low. It's ain't real currency but more likely a valuable digital properties.