To clarify, he was convicted after organizing an official event with ambassadors from various countries to claiming the Brazilian electoral system was fraudulent. This discourse was usual throughout his term. He repeatedly claimed to have evidence, but never presented any. We now know that there was a plot for a coup [1], which failed to materialize due to a lack of support from a section of the military. Even though the superior courts have a political nature, Bolsonaro went against the law in an attempt to overtake the political system. The same way a murder trial is a crime, a coup trial also is. Today is a big day for Brazilian democracy!
[1] - https://www.correiobraziliense.com.br/politica/2023/01/50659...