Pretty easy to move games around though. Steam is pretty good about just letting you move folders to and fro.
Yeah, it seems like you'd have to choose one or two "big" games to keep on it.
Games like this, RDR2, Division, Hitman (at least this is modular) and whatnot, are not really games that you finish and quickly uninstall, which makes them being dozens and dozens of GB kind of annoying, if you don't have multiple 1TB SSDs.
Also modern SSDs seems to only have NvMe and similar contacts (like the Samsung 970) which makes it even more annoying, as you can't just have a bunch of them like with Sata.
I think my MoBo only has 2 NvMe slots, for example.