https://www.aclu.org/know-your-rights/what-do-if-you-think-y...
Background:
> Leila Khaled is a Palestinian refugee and member of the Popular Front for the Liberation of Palestine (PFLP).
> Khaled was one of the hijackers in the TWA Flight 840 hijacking in 1969, which was in of itself one of the four simultaneous Dawson's Field hijackings the following year as part of the campaign of Black September in Jordan. The first woman to hijack an airplane,[2] she was later released in a prisoner exchange for civilian hostages kidnapped by her fellow PFLP members.
Should all of them be denied access to public transport?
So you are basically removing any ability for an oppressed minority to fight against a powerful government. The protesters should only go against military targets, you know like tanks, because we all know how that turns out.
Zoom is a utility to allow people to communicate. Denying ability to organize a webinar is akin to selectively denying people to meet on a plaza where there is no possible direct damage from the meeting (ie. no possiblity for disturbance to neighborhood, violence, etc.) and only possibility that law is broken by speech.