My non technical spouse prefers profile to separate work and personal. She uses different themes for each profile so it is very obvious which is which.
Also one of the extensions she likes interferes with a work site she is required to use. She has that extension installed in the personal profile but not work profile.
For highly technical users containers are going to do everything we need.
For non technical users who need separation, profiles are a standard known framework.
My non technical spouse prefers profile to separate work and personal. She uses different themes for each profile so it is very obvious which is which.
Also one of the extensions she likes interferes with a work site she is required to use. She has that extension installed in the personal profile but not work profile.