Correct, you don't. Chrome profiles use the same installation of Chrome. There i...

jedberg · on May 22, 2020

I’m aware it’s a single installation of Chrome. But it runs a second copy for the other other profile. That’s a lot of resource overhead.

Also requiring another window is a lot of extra mental overhead to keep track of all the windows.

For example right now I have 12 Firefox containers running. They are 15 tabs in a single window.

With Chrome profiles, I’d need 12 windows, most with just one tab.