LOL. What is with the hostility, Easy boy...
If you understood what makes a GPS system work and what defines its accuracy, time to acquire a fix etc.( i.e. the chipset and the limitations of the signal) you wouldn't say this.
The software on the phone has progressed much faster than the Handheld units are able to keep up with and it is much easier to upgrade and add features or even change interfaces. That is why many who are heavily focused on mapping use a laptop not a dedicated GPS. The hardware is a commodity, it is the software that really defines it. Sure if you can't find software you like for the android or your laptop, then buy a dedicated unit and hope you are satisfied.
How well does your dedicated GPS show satellite images? Can it overlay them with street or topo images? How much does it cost for those maps to stay current?
Whether it is a phone, a dedicated GPS, or a laptop, it is still just a cpu, some memory, a gps chipset (internal or external), an antenna and some other components, the real differentiator is the software...
Of course I am a software guy, so ...

To each his own, but dont tell me about learning to use my dedicated GPS. Been there many times and done that. I have a shelf full of them to show for that. Bottom line is to get what YOU like and what YOU are comfortable with.
Cheers,
R