Ryoko-
Saying the EMA "doesn't affect you" because you don't claim EMA is like saying that Rail Fares don't affect you because you walk or drive to work.
First of all, the EMA affected many students. They are not separate from society, but a part of society. Secondly, denying kids opportunities to get a good education - which is precisely what scrapping the EMA has done - affects all of society in very profound ways.
In the short term, anger, alienation, and not being at Uni or having a job can lead to being completely disconnected from society. When kids feel they have no stake in society, they act without thoughts of any repercussion or consequences. The recent London riots are an example of this.
In the long term, having a poorly education populace is bad for the entire country for very obvious reasons, which I hope I will not have to enumerate.
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RE: Tax. You're right, the average person is taxed too much, and the cost of living is too high. As I mentioned before, this is the result of neo-liberal policies Western governments have pushed through since the early 80s.
The total share of the tax burden has shifted away from corporations and on to individuals. The excuse is to make corporations 'more competitive'. Well, firstly, corporate tax in Germany is much higher than the UK, and it is the economic powerhouse of europe. Secondly, you will never be able to compete with China unless you drag the UK down to the standard of living of the Chinese. This must obviously be resisted.
Furthermore, rich individuals are good at evading tax. They start fake companies and then claim tax exemptions or lower rates when they make expenses in the name of the companies. The non-domicile status for the UK also means that 'non-doms' (even though they reside here) pay a lower rate of tax.
The end result is that the majority of the tax burden falls on working class and middle-class individuals earning low and median wages. The rich individuals and corporations are paying less and less.
The Tory scum are not helping the situation. They are making things worse. They are reducing corporation tax further, reducing the top rate of tax, and cutting down on HMRC funding in order to go after tax evaders.
People's standard of living and wages have remained stagnant or declined since the 1980s in real terms. This is due to downward pressure on wages, through attacks on unions, outsourcing, workers rights, etc. Meanwhile, the cost of living has increased due to privatization of public assets: the Rail system is a good example.
People are right to be angry. The average person is really struggling. Wealth inequality has never been greater. Unfortunately, neither party is offering a real solution, and the Tories are only doing the typical nasty Tory things which they always do and making things worse.
Protest is the only thing left to do.