I see the enchanters in this thread never played in vanilla or BC (or even early Wrath, for that matter).
There's a reason they make it where you can just autodust now. Because enchanters were frankly kind of tired of having to spend their time in dungeons having to disenchant all of the blues to evenly distribute shards at the end of runs.
In a nutshell, enchanters have been doing the "Disenchant" option manually for many years. Blizzard eliminated the middleman. They saved you some time doing the exact same thing you were doing already.
The disenchant option is most certainly NOT taking money from your precious pocket. I can make plenty of money from enchanting and I don't even try to. If you're not able to do the same in the current design, then you're just plain and simple doing it wrong.