Plus you can make certain sites always automatically open in their designated container, even if you followed a link. You can keep sites know for spying away from your logged in identity. You can have your banking and other important sites in another container for extra defense in depth.
Thanks. Not something I’d want to do (I like my work and personal tabs in totally separate windows) but obviously that’s just personal preference.
It’s pretty useful at work because I can separate the about riddled with sales trackers from asking for quotes from my “how do I do X” profile. It can change the results a fair bit. On one I’ll get tons of Enterprise professional services, the other recommends a lot of FOSS results.