[oneeyedpigeon]

Unless I'm mistaken, Slack actually forces this as part of their model: one account per organisation. It's not fun when you have to reset passwords...

[Twisell]

I had to create a Slack account to interact with a vendor support team. Run into that mess and can't for the love of god find a "manage all your accounts" interface on Slack. It's insanely counter-intuitive.

I'll avoid Slack as much as possible unless they fix this evil UX.

[Larrikin]

The design does work very well with a password manager though.