Ya know, I'd often thought this way myself, but thinking further, I wonder if this is kinda like what this topic is about. Assumptions and whatnot.
I'd always really disliked phones and such (I had iOS devices, and wow do I not get along with those very well), but then I get my new Android phone (Samsung) and I decide it's time to experiment a bit. I've COMPLAINED about phone games often in the past, but... did I *try* them? I had to admit that I had not done so.
So I picked some up (as well as the Google Play subscription, which is $5 per month to remove ads and such from like 5 bazillion games), and it's been a very strange experience. Plenty of these arent exactly what I'd assumed they'd be. One in particular, the bizarrely named "Cube Card" has gotten quite a bit of time from me. It was one of the first things I grabbed, and not at all something I expected. I really quite like it. Another is Blacken Slash, which is an indie roguelike (and I found some others that also fall into that category). That one is really quite good. I even did the thing I said I'd never do, and grabbed a gatcha game (Blue Archive) because, again, I'd never TRIED one. This, too, doesnt at all work like I thought it would.
I realized at this point I'd gone in with a lot of assumptions, but very little experience, and an unfortunate tendency to not give things a chance. Dont get me wrong, hyper-predatory things like Clash of Clans or stuff like that is absolutely still around and thriving, because of course it is, but... the whole of mobile gaming is not at all what I thought it'd be. Granted: You have to do some actual browsing to find good stuff, but... that's how it is with indie VS AAA games as well in the non-mobile space, so that's not unexpected.
I could absolutely imagine someone seeing me play any of those on my phone, poking away at it, and they then assume that I'm not a "real" gamer. This, despite my mastery of a lot of games (well, entire genres) that make Dark Souls look like a freakin' tea party.
That's the nature of assumptions, though, isnt it? A lesson I could do well to keep in mind myself, really.