Because "your own site" might mean "email your freelance dev and wait 3 days", "open a ticket with IT and wait a week" or "remind oneself how that js deploy is

Because "your own site" might mean "email your freelance dev and wait 3 days", "open a ticket with IT and wait a week" or "remind oneself how that js deploy is meant to work even though working in js isn't my day job". Not everyone is allowed, wants or is comfortable with direct access to their website code.