Why are you so concerned about what other people charge? Are you worried about their self esteem, or worried you'll need to charge less to compete with them?
If someone wants to increase their rates, offer a special, or lower their rates - it's their business. There are indie massage providers and massage parlours that offer similar services to the kind I offer, at higher and lower price points. They don't impact my business, and they certainly don't influence my rates. I know the cost of running my business (advertising fees, incall rent, hotel costs, transportation, massage supplies, incall supplies, etc etc etc.) my living costs, my financial goals, and how I prefer to work. Most people take these things and other factors into consideration when setting their rates. What someone charges may not make sense to you, you may feel uncomfortable charging the same rate, but it's none of your business. For you to assume that if a provider's rate is lower than $XYZ amount (you didn't specify, and your site has no rates listed) that it has something to do with their level of self-respect, is pretty distasteful.