That depends - they wouldn't want a plane with a bomb to explode over a city for example, so the jets could be used to "neutralise" the threat.
Obviously in this case the bomb was fake and so the threat...
Belarusian Air Force fighter-interceptor manoeuvred to signal to the pilots of a Ryanair airliner:follow meβ. The captain of the civilian aircraft was obliged to obey. The captain may have disobeyed the dispatcher's command, but the threat from a military aircraft was obligatory.