Context is not clear in Mail report. If there was any attempt to stop pax taking pictures out of aircraft window that's bad. If they were loitering on the apron do to so after disemabarking it's quite right that they were moved on pronto.
Fair comment
People are advised not to use phones when filing their car. Seems reasonable to do so on the apron with a plane leaking fuel no?
No, even if the mobile phone/petrol station urban myth had any credence, which it hasn't, the flash point of petrol is -43 degrees C, that of Jet A-1 is +100 degrees C