Volatile owner Maurizio Zamparini has fired an average of two coaches a season since buying the club 10 years ago, but last week's decision to dispense with Giuseppe Sannino after only three games seemed drastic even by his standards.
Zamparini admitted it barely made headlines when he fired coaches but said Sannino had to go because his relationship with the team had deteriorated.
"It's news that is not even a story," said Zamparini, who was previously president of Venezia from 1987 to 2002.
The Italian players' union (AIC) joined in the criticism of his hire-and-fire approach.
"I think it's difficult to move forward with a real project when the coach is forced to leave after a few matches," said AIC president Damiano Tommasi.
"I believe the squad at Palermo's disposal is a good enough one for Serie A and their ambitions."
There are varying estimates as to how many coaches Zamparini has fired in his career, the numbers depending on what is considered an "interim" coach and complicated by the fact that he has sacked some coaches more than once.
Francesco Guidolin has coached Palermo four times under Zamparini although his second and third stints were separated by only two weeks after his initial sacking was "revoked".
"Preziosi was another president who changed a lot of coaches, but I convinced him," said Gasperini as he was officially presented.
"I think there are the possibilities here to dispel the negative stereotypes. Palermo is an important footballing centre and it is my aim to bring back the enthusiasm to this club.
"It's a chance to re-launch myself in an important area," added the 54-year-old. "I've been out in the cold for a year and I have great motivation.
"The championship has only just started and there is nothing lacking with the squad. Palermo need a clear idea of their style of play, without changing from match to match or during the match itself."
