The serious study of popular films by critics is regularly credited with having rendered obsolete a once-dominant view that popular mainstream films are inherently inferior to art films. Yet the change of attitude may be somewhat __________  Although, it is now academically respectable to analyse popular films, the fact that many critics feel compelled to rationalize their own __________ action movies or mass-market fiction reveals, perhaps unwittingly, their continued __________ the old hierarchy of popular and art films.

Consider the following words:
1.unproductive
2.not appreciated
3.overstated
4.penchant for
5.dislike for
6.investment in
7.exposure to

Which of the following options is the most appropriate sequence that would meaningfully fit the blanks in the above paragraph?