You love technology, but not everyone does. For many people computers are confusing, even scary. Malevolent actors know this, and try to deliberately trick people online. From ads that look like download buttons to ransomware pop-ups, the web is full of deception-based design, intended to take advantage of the less technically inclined.
In theory, this is part of why app stores are useful. Users afraid of being scammed on the open web can browse the Mac App Store with confidence, knowing that Apple’s walled garden will protect them.
Except it won’t.