Recently it’s gotten worse than that, a 2TB disk has about 1,820GB of usable space

STAR WARS Jedi: Survivor starts at 155 GB but you need over 100GB on top of that for patches etc, don’t be surprised if your game folder hits 240 GB.

Baldur's Gate 3: lists 150 GB as minimum disk space required.

Cyberpunk 2077 starts at 70 GB but the expansion is supposedly another 32GB and counting.

Alan Wake 2: 90GB disk space

Going forward it’s only getting worse.

I recently installed Starfield and it's over 100GB. I'm not a big gamer, but I understand this is becoming increasingly common.

https://store.steampowered.com/app/1716740/Starfield/