The first thing to remember is that this post is written with an educational purpose. Secondly, it was the net-café computer on which that user (someone else) he/she Must have logged in and clicked on save the password, that's why I can see his password. I hope you understand
Never should use public computers for your important accounts and data.
Even if you use public computers for less important things, you should clear cookies before leaving computers and giving connections and usages of those computers to the others.
I agree with you that changing the habit to save login details, for convenience when log in and log out later times, is the must thing to do.
To sum up:
- Don't use public computers for important accounts and data.
- Don't auto save login details.
- Clear cookies before leaving or turning off public computers.