I personally agree that steem will keep rising in value, unless bitcoin crashes. The part that I am not certain if I agree with is the idea of treating steemit like a method of making money. While it is definitely possible to do so,I would say that steemit shouldn't be treated as an income due to the unpredictability of it. Maybe if you managed to get a whale to come and upvote a bunch of your posts and became possible, but for the vast majority of active users, that becomes really unlikely (I mean if you go by steemitboard there are only 38 whales to thousands of redfish, minnows, and dolphins)
I like the idea of steem raising to $10, but I am not to keen on the perpetuation of making everyone think that steemit is a main income (I know that isn't the point of your post but it is easy to see how it could be comprehended that way)
This is the whole value proposition of the steem blockchain: it a monetizing layer on content. It is not perfect mostly because we have the firehose effect going on and not enough granularity in content discovery. But with the coming SMT and community feature, there will be multiple hierarchy being able to reward users and therefore spread the wealth to a much larger userbase. If we don't market steem has such, there is really nothing special about this blockchain that has mass appeal.
But still, everything that has to do with creative endeavour, has to deal with the 80/20 rule. We can bitch and moan about it but that rule can't be bent or broken for very long...no algorithm can defeat it.