We always like to think of consumer choice as being the ultimate determiner for what becomes and stays successful, and that's how it should work. But, it's not actually how it works. With sooo many monopolies out there (at&t/comcast ISP), there's a lot of things where you don't have much consumer choice or no consumer. And when you do have a choice, the cost of switching is super high.
I periodically go through my apps and see which ones are taking up the most disk space/memory/bandwidth/battery life and prune all of the ones above a certain amount.
Guess what all the top 10 have in common: yup, they are all pseudo monopolies. If you think the problem is you, I dare you to go to your top 10 biggest wasters and see if you can find a viable alternative to any of them.
Heck, sometimes, it's literally impossible to delete certain apps: the bloatware that's baked into all our phones. But, people don't seem to mind, some of those app even rate 4 stars out of 5.
And it doesn't help that searching for an app is such a big pain point. When you do finally find an app that meets your criteria, it's tough to find another ones that meets All your requirements.
But, my impression is that, most non-tech people don't care about hings like: disk space, memory, bandwidth or effect on battery life. At least, not enough to measure it or do anything about it. My wife would rather carry along a super heavy dumbbell-weight battery, than look at which apps are draining the most juice.