The Guardian doesn't quite tell the whole story, being a leftist publication.
What the paper fails to mention is that scroungers and corrupt social groups believe they have the right to own the streets, forcing those on social plans to protest at the cost of losing their meagre $$ if they don't attend. Those same corrupt people also take a cut from those so called plans and have turned it into an entire industry.
How Argentine protests are reported by media abroad is usually way off the mark. Never did they mention that those same protests when the previous government was in power, were against the very politicians that provided the funds in the first place. Funds which were seen by most sane minded working people as simply a means to keep them in power and the poor on their side.