precisely, I do occasionally have to switch browsers which is incredibly frustrating but that's more of an indictment of the current state of the web than FF in my mind
I have 3 different bookmarks that open 3 different Gmail accounts. I use an AWS SSO plugin to open each account in its own container. My wife and I have several other services where we each have an account, so on our media pc at the TV we can both be logged in at the same time in different tabs. I always open sensitive stuff like banking in its own container. I keep various online stores (where I will be paying for stuff with my credit card) separate from casual browsing. Tabs are colour coded too.
Because profiles are a different thing and are a state of your browser.
Container tabs are the state of your browsing session.
Yes, a different browser provides you with a different session, but its overkill.
Scenario: I deal with multiple AWS accounts, which require me to log in to each one with SSO. Container tabs allow me to access each one as different colour coded tabs at the same time without being kicked out when it overwrites my session.
Second scenario: I have multiple clients, I would use different profiles to separate out plugins for password management requirements, different bookmarks, etc.
There are a disappointing number of sites that are stateful, like Service Now and container tabs make them bearable.
precisely, I do occasionally have to switch browsers which is incredibly frustrating but that's more of an indictment of the current state of the web than FF in my mind