English: Gatchalian also noted that following the incident, various speculations have come out as to the reported cause of the technical glitch at the Ninoy Aquino International Airport (NAIA) that included the vulnerability of the system to cyberattacks, sabotage diversion of budget allotted for the system to non-essential civil works at NAIA, absence of back-up system outside airport premises, and plain incompetence among traffic control personnel, among others.
Filipino: Binanggit din ni Gatchalian na kasunod ng insidente, iba't ibang espekulasyon ang lumabas sa napaulat na dahilan ng technical glitch sa Ninoy Aquino International Airport (NAIA) na kinabibilangan ng vulnerability ng sistema sa cyberattacks, sabotage, diversion ng budget na inilaan para sa system sa non-essential civil works sa NAIA, kawalan ng back-up system sa labas ng airport premises, at incompetence ng mga traffic control personnel, bukod sa iba pa.