It can be. People who buy this will do so because there is no other solution* available. When there is another solution available, there will most likely be no reason for people to buy this for any price.
As long as there isn't another solution available, the value of this is much more than $30 because of the real purpose of the device (to "save money").
Yes, there will probably be another solution available some time soon (possibly based off of tx's payload), but until that time the value of this will be more than $30.
*solution means "backup loader"
Personally I probably won't be purchasing this for $30 or $80, but that's because I don't mind waiting for an open source solution. For those who are less patient, $80 will seem like a high price but one they will still be willing to pay.
By solution (meaning backup loader) there already is one available. It is called Atmosphere, and it is WIP but will probably be ready by the time this is finished. And, for there being no reason to buy this for any price, it will most likely have the potential for reflashing. This means that there will be a reason, because while you could setup a Pi Zero setup, this comes done for you and looks nice enough to use in public.
but that's because I don't mind waiting for an open source solution.
I called it. There is nothing wrong with waiting for an open-source solution, but I am going to go on a bit of a tangent here.
For the end-user, being "open source" adds absolutely nothing to the value. In fact, it subtracts from the value. Usually if something is open source, there are always improvements to be made. While this is the case for every application ever made (hell, even Windows has a lot of improvements it could make), there is no point to making it open source. If you are expecting top-level programmers to look at your little homebrew application or maybe your CFW, you are mistaken. You will most likely only get support from those who have already spent hours, days, even weeks cracking the system and REing it, and at that point they probably already helped write the application/CFW. With everybody preaching "open source is the only way", end-users lose sight of the true value of a program. Hell, the majority of users won't be able to understand the source code of Atmosphere once it is finished, and at that point they may as well kept it private (except for the fact that previous closed-source CFWs have fell flat).
better to go with what works best than what is open source. I have the same mindset about Linux and Widnows. Anyways, I warned you about the tangent, and I digress.