Why an Italian battleship carrier conversion was possible but unattractive

Could an Italian battleship of the class under discussion have been converted into an aircraft carrier?

Yes in engineering terms, but the superstructure, hull form, and strength decks made it a demanding project that the Italians did not want to pursue.

The conversion could have been done, but the Italians did not want it enough to accept the required effort. The existing superstructure, hull form, and strength-deck arrangement would all have complicated the project. None of those obstacles made the conversion impossible, yet together they made it an unattractive use of time and resources. Engineering feasibility alone was not enough to make the program worth funding and executing.