The problem is that most normal people (HN is not normal - mostly for the better) don't even understand what sideloading is - let alone actually care.
How can we fix this?
(aside from making people care - apathy enables so many political problems in the current age, but it's such a huge problem that this definitely isn't going to be the impetus to fix it)
Like people still download software packages from the web on Windows, MacOS, and Linux… right? Maybe hard to grasp for the kids that grew up with tablets with no notion of a file system, idk