In the old days switching accounts was as simple as logging out and logging in

Now, logging out redirects you to 20 different pages, doesn't redirect you to the original page, and sometimes it doesn't even log you out

you need to be logged in to log out, please log in to log out.

Ahh, you're also a Vodafone customer

Never faced that not logged out issue but what I hate even more:

1. Go to abc.efg

2. Checks your cookie

3. Cookie expired

4. Redirect page #1

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999. Done redirecting, you can now login

1000. Logs in

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2000 Done redirecting after login you can now use the service

Your forgetting the “please wait while we sign you out of all windows” screens 😂

Microsoft are particularly shit at this. So much so that much of their guidance says use an incognito window to be sure you're not still logged in to another account.