I went to an Apple certified repair shop to fix my macbook. They asked me for my login password... Sure let me just give access to all my banking apps, photos,

I went to an Apple certified repair shop to fix my macbook. They asked me for my login password... Sure let me just give access to all my banking apps, photos, browser sessions etc... I ended up creating a guest account for them but i was surprised they didn't have a policy not to access private user data or ask for passwords.