[cjy]

It should be noted that [some] hotel doors with electronic key cards also have physical key holes (as a backup) that are hidden, but are still susceptible to being picked.

This just supports your point that hotel doors are not 100% secure for anyone who really wants to get through.

Edit: Replaced all with some. The doors at the hotels I worked had backup physical keys in case the battery failed. It's cool that Onity locks can be powered externally if the battery fails. Thanks for the correction.

[daeken]

That's not really the case. While some of these do exist, Onity's locks themselves do not contain any physical keyhole and I've never seen them installed in such a configuration. Other vendors may be different.