There were quite a bit of people here. It wouldn't be impossible for him to just take what he wanted and then just try to slip out unnoticed. It took quite a bit of contemplation, until he hesitantly placed his hand on the thing he had his eye on, and looked around to see if anyone was looking at him. But he still didn't actually take it. He needed to know for certain that noone would notice him, before he would try and do so.