The previous government had unemployment of 8.3% in its first year and 11.7% in its last year (and 12% inflation). PT was voted into power for a reason.
More than that. Try were voted for miraculous promises, took advantage of increased prices of commodities, and gave money in popular programs. Then lied about unemployment by changing criteria, kept controlled prices at popular levels against a long term development, and when this came out (like petrobras huge debt, and all money laundry), some people began to shout that it was "a coup", that all parties also stealed money and so PT shouldn't be punished etc.