Sounds like making excuses for ADD. Only paying attention to things that seem interesting is an obvious failure mode. You will wind up only paying attention to things that have been optimized for attention grabbing.
But can you give me an example of the opposite? Say, an article or book which did not grab you at first but you found quite interesting. (being the keyword "interesting", a subjective concept to each and everyone of us, of course - myself included)
Faust II, though you might not want to learn German just to read it – written 20 years after Faust I, with the knowledge accumulated during the lifetime of one of the world’s greatest authors poured into it; while definitely not attention-grabbing in any way and taking some time to get into, the hours I spent reading it were certainly one of the best spent hours so far.