Toothbrush in the Hallway

Haha.  I just saw a guy walking down the hall, towards the bathroom, brushing his teeth.  Why not wait until you reach the bathroom?  I don't find it gross or inappropriate... although some would.  I just find it silly.  It IS a personal thing.  That would be like swirling a Q-tip around in your earhole, while walking down the hall, passing strangers.  ........huh?     ......was that guy just....??? 

And it wasn't just water and bristles either.  I smelled Colgate as he passed me.  

Some people don't care, and that's the bottom line.  And, as long as it's not hurting or negatively affecting someone else... so be it.  I just found it humorous.