> By that logic all communication is impossible

I interpreted it as implying all communication is imperfect, more or less. Each speaker and listener uses language from their own personal context, and reads meaning into each word from their experience, education, even personal preferences.

As for "boring", I feel it was the right word at the time. It's a rhetorical trick, maybe a click bait, to use a word in an unusual way to get attention. Here the word boring, typically negative, is used in a positive encouraging manner. That makes me want to read more to find out why.