Amid recent criticism from race promoters about the job that Liberty is doing in running the sport, and concerns about the lack of progress with 2021 rules, Horner suggests that the American company may be struggling.
Asked if he felt they had underestimated what they were taking on when they bought F1, Horner said: “Absolutely. I think they probably thought there was some low-hanging fruit ...Keep reading

Source: Horner: Ill-prepared Liberty thought F1 was "low-hanging fruit"