Why thinking "log into each site separately" fixes everything - and what true site isolation and uptime reality actually mean

https://ourcodeworld.com/articles/read/2564/best-hosting-for-web-design-agencies-managing-wordpress-websites

Isolated logins feel safe - but are they really protecting you? Everyone likes the tidy mental model: one login per site equals one fortress per property. It sounds sensible until you ask a few practical questions