That is the result of advertising being less profitable in certain countries with respect to how much it costs to maintain bandwidth, servers, licensing, etc.
That seems to in some way disagree with the results of the current system if there are currently very bad teachers willing to be paid so little as well... In most other sectors, increased pay brings a larger set of applicants to the job interview. Wouldn't it be reasonable to assume that a greater number of qualified candidates may also appear? (This is in respect to quantitative number, not the 'average' among candidates.)
The reason Xbox Live keeps going out? They are revealing new software at CES to be used with the 360's that will turn them into TiVos... Buy stock now.