This is always going to be a very subjective assessment. I don't doubt that the comparison makes sense for you, but it's not the way my spouse or I see it.

Also, most movies I might go to a theater to see cost substantially more than $4 on amzn.

Paying monthly to Netflix vs. paying per use with Amazon isn't a subjective difference. If you are only watching 2 movies a month of average, then Amazon is objectively a better deal than Netflix as you not only pay less, but have more options. (Amazon movies are generally $4 or $6 to rent.)

Given that we do both, the actual question is whether Netflix manages to offer us one exclusive offering per month that ticks the box. This particular January, it is setting itself quite nicely for the year :)

Movies yes, but often a single episode of a show is say $2. That means if you watch a season in a month, you're up to $16-20 pretty quickly with 8-10 episodes.

This is why I legit jack sparrow shows.

You can rent movies on many services like google, itunes, youtube, etc... But for shows, you only have the option to buy each episode, which makes no sense.