Here is the definition of disrupt, which doesn't fly with your explanation. So lets go back to their first sentence. I don't see challenge at all in the definition, all I see is getting rid or destroy or hamper. Why use the word disrupt if that is not what they meant?
We interrupt by causing a disturbance or problem, we drastically destroy the structure of, drerange, turn upside down, make a mess of, disturb, disorder, disorganize, disarrange, interfere with, upset, unsettle, convulse, interrupt, suspend, discontinue, obstruct, impede, hamper, hold up, delay, retard, slow the Western-prescribed nuclear family structure requirement
https://www.merriam-webster.com/dictionary/disrupt
Definition of disrupt
dis·rupt
/disˈrəpt/
Learn to pronounce
verb
- interrupt (an event, activity, or process) by causing a disturbance or problem.
"a rail strike that could disrupt both passenger and freight service"
Similar:
throw into confusion
throw into disorder
throw into disarray
cause confusion/turmoil in
play havoc with
derange
turn upside-down
make a mess of
disturb
disorder
disorganize
disarrange
interfere with
upset
unsettle
convulse
interrupt
suspend
discontinue
obstruct
impede
hamper
hold up
delay
retard
slow (down)
- drastically alter or destroy the structure of (something).