As an example of this, I believe SexyCyborg got in trouble for reporting on leaks via people’s 3rd party Chinese language keyboards. So her theory is that the keyboard apps people had installed leaked data when Hong Kong protesters were communicating with the press, rather than the actual Signal app. But… as stated above, people have to take responsibility for their device and in this case, they had chosen to install apps with leak issues into the communication process.
Click-bait titling at its best. Apparently their attempt at controversy boils down to this: