Don't know why you're being downvoted here. Maybe Mark Zuckerberg is lurking around here. It's a valid point. Less screen real estate = less space for ads.
It's a reasonable point when you consider that the vast majority of consumer-grade software industry is "growth and engagement" garbage whose primary business model is advertising.
This is important. It's not comfortable to use short height device without ad blocker because ads uses near the half of height.