[viccis]

Matrix is so much worse than Team it will make your head spin. It suffers from design by committee to an unbelievable extent, and its various end-to-end security features are wonderful from a privacy standpoint but make things much much more complicated.

[jeltz]

Having used both I think you are way too kind on Teams.

[viccis]

I've used both and written code to integrate into both. You never have to worry about, for example, losing access to all previous messages in your Teams channels if you get a new phone.