The website tries to paint Spirit as some sort scandal where greedy traders drove it into the ground. Most of Spirit's debt was for financing expensive planes and surviving the pandemic. Literally every airline borrowed to survive the pandemic. Spirit has an ultra thin margin business, trying to compete on price, flying competitive routes, in an industry already known for losing money.
To my knowledge, there was no Wall Street villain here, and the creator of this page just inserted this sentence to arouse populist sentiment, because he/she knows a certain % of the population is primed to unthinkingly accept any narrative that the 1% have ruined something for the 99%.