It just takes time for free software to match commercial offering at first, but eventually it surpasses them (too many example to list) for 90% of the uses.
If it let me cancel my Bloomberg subscription, why not?
All I want is reddit + twitter firehose sentiment mining, accurate plot of basic (EURUSD, wood futures) and not so basic (VIX) things.
I do not need to keep track of cargo ships on a map.
The only thing that this shares with the bloomberg terminal is that it can do equities and is on a terminal.