At my job we really miss Skype, sure it was a bloated system on the end. But we could send files to customers during video conferences. They could send back their edits and so on.

With Teams I can barely send an emoji to my customers. Not to mention the bug with the “the other person might use Skype for business”. No, they are using Teams, both my customer and I have to force close Teams and restart for it to recognize us both using latest Teams version.