Not all padlocks are created equal. Some are not very tough at all.

Padlocks on a hatch only keep honest people honest and very young kids out
of
trouble. A real crook doesn't care how big or strong your padlocks are.
They
can smash or crowbar the hatch or whatever is needed to gain entry. They
don't
care about causing severe damage... It's not their boat!

rusty redcloud

I work on the theory that if I can make it look secure, they'll pick
another boat