I guess it largely depends on what you want to do with the system. I see people who enjoy to tinker endlessly with their system\gadgets and for these type of users, having a completely open and broad system is a must. Because that's the main function of the system for them. This is necessary for developers as well, to have as much options and tools available.

But for end users who are result oriented, they'd much rather if they can just get the best result with the least effort possible through that system. They'd rather not have the choice of, say, 4 different IM applications if there is one that can satisfy, say, 70% of their needs.

Think of it as if you're shopping for an appliance that you don't care as much as your computer. Say you're buying a stove or microwave, do you do as much research about them as if you're buying a new smartphone?

Obviously your buying process for a kitchen appliance will be different than, say, a chef who's got a few michelin stars under his belt. You have different viewpoint and priorities.