I might use dark modes when possible, but that hasn't stopped me from noticing the decline that their counterparts have been in since about the mid-to-late 2010s.
And through personal observation and listening to others
I've come to believe I have a solid explanation that, for the sake of convenience, I will break down into three distinct but connected points.
The technology, design, and preference. So, on to number one:
From electron guns to liquid crystal.
Hi it's me, I'm the problem (Dark mode user). Now in all seriousness, given it's become popular enough to be a default, sometimes it stands to reason it'd be de-prioritized.
Because not everything is a result of tech or changing tastes. You ready for some finger pointing? Nothing has deteriorated them quite like bad color choices (White as a main color, seriously? Come on)