Well now, that depends on the game, doesn't it. Regardless developers shouldn't be prioritizing anything over getting 60FPS as a baseline. It's not 1998 anymore. 30FPS is simply unacceptable in this day and age.
Awww, I'm sowwy, did I hurt your feefees by pointing out that 30FPS is fucking awful, that I can almost count the frames as they go by, that it's genuinely uncomfortable and headache inducing to play at such a crap framerate.
To be perfectly frank I don't really care whether or not someone on the internet I've never met, and am never going to meet, respects me or not. 30FPS is a slideshow.
You haven't lived until you have played Castle Master on Commodore 64.
Game was (IS) awesome. No regrets.