Mulitple names

Here is a question for debate.

A lady uses different names on different ad sites. She uses current photos, if used at all, and honors all rates and services in each ad though the rates and services may be different on each site.

Is she in any way being deceptive or missleading? If you saw her from one site and were not happy then in error booked her through a different site under a different name would you consider it a bait & switch or otherwise missleading or deceptive? Keep in mind she honors what is in the specific ad and uses accurate pics.

Also ladies, I know several reasons why you might do this but could you chime in with why you might do so?