I agree. I'm not catering to experienced electronics engineers, but rather inexperienced/hobby electronics engineers by focusing on usability and productivity.
I've used Multisim and do not feel very productive using this software. To test changes, I have to start and stop the simulator many times during development. It's very distracting.
If I make a simple change in requirements such as a change of the timing of a signal, then I need to re-calculate component values manually. Such trivial work seems like a waste of my time.
If I make changes to a circuit, it's very difficult for me to know if I broke the implementation of some requirements since there are no tests telling me that I didn't, so I have to manually verify that all requirements are still implemented after each change (in addition to remembering all the requirements of the circuit at the time of verification). This problem increases with circuit complexity.
I make some changes to a circuit and suddenly Multisim won't simulate the circuit anymore. Then I have to back track to find the combination of components and wiring that caused that simulation problem, test alternative components hoping that it will simulate the circuit again. I may also have to test various values for some mysterious simulation variables to make it simulate again.
Sometimes the Multisim simulator breaks, complains about an error, then it tries to automatically correct that error only to find out that it can't reproduce the error, so it can't fix it ;-( If it can reproduce the error, then it takes several minutes for it to try various simulation variables to find a combination that works. Not exactly productive.
LTspice seems to have a similar "low level" designer as Multisim (I haven't tried LTspice yet, but I've looked at the manual).
You will be hard pressed to come up with something that rivals the functionality of available Simulators, like LTSpice with its huge user community.