

There are also orders of magnitude of difference in their staff levels and budgets. Both sides of the equation are relative. I don’t know of any techniques for creating good content quickly and inexpensively that only work for small indies and not for large AAA studios.
I prefer to buy from GOG, itch, or anywhere else that offers explicitly DRM-free downloads. That being said, a surprising number of games on Steam are actually DRM-free (or as near as makes no difference). They don’t make it easy; you need to dig through your Steam folders to copy the files out, and sometimes you need to jump through a well-documented hoop or two, but it’s doable.
More info here: https://www.pcgamingwiki.com/wiki/The_big_list_of_DRM-free_games_on_Steam