If we had a real press, I suppose they could look into these things and find those answers with relative ease.
groups of single or unaccompanied muslim men, all of certain ages, presumably flying on one-way tickets, probably paid in cash
inquiring minds WANT TO KNOW- who is paying for this- and why
at “best” this is an organized effort trying to goad the airlines into a lawsuit which the airlines will settle for large cash - which will presumably fund our future destruction on the orders of allah
Moving around carry-on luggage is a way to see what the limits are in their handling such stuff in flight.
Then, if there are “harmless” components in different pieces of luggage that have to be combined to be lethal or explosive, they would know how much leeway they have toward accomplishing the combining of their components from different pieces of luggage.
Just my conjecture.
They also gain intel on how upsetting it is to the staff and passengers.
They could also be testing how much they can get everyone to focus on that while a comrade does something more deadly unnoticed.