Sure, the bicycle starts off quicker, and you feel so much quicker.
But that's where the benefits end, IMO. I just opened up a client project with this (that project is a mixture of php, sql, shell, and some client side browser code).
The symbol recognition compared to IDEA was pretty abysmal. Then I thought maybe I need to try the other way (i.e. find a usage of a symbol manually and then try to resolve it back to its definition).
That the find-in-files results are just another text view with paths in there is probably appealing to some people... me I'd rather you just let me open the file.