Yes, and that's a good thing if you don't want it to start killing processes. You have that extra time/space to deal with the out-of-memory condition yourself.
Or you can ignore that condition and continue using the system in a degraded state, with swap as "disk RAM".
No. They're literally a meme for how bad they are on tech content: https://knowyourmeme.com/memes/events/the-verges-gaming-pc-build-video