Sorry, but a stub so phrased cannot teach us anything substantial.
He is the most popular politician in Brazil and one of the most popular in the world. He didn’t get there by corruption.
Lula uses the commodity boom to enrich all population. A non radical international politic also helps. Bolsonaro fought with Chine, our main commercial partner
Lula is extremely unpopular and barely got elected despite massive support from media and political establishment. You are in a leftist information bubble. Try asking randoms on the street what they think of Lula.
Started a responsible fiscal policy, all ratings agencies improved the country grade.