The job uniqueness is an issue. Fortunately they've acknowledged. But they aren't gonna address it until 8.0 (2 years and a bit) so it's certainly worthwhile unsubbing until then if you can't handle how it is now.
As far as content coming out, realistically it's hard for anyone to produce content that frequently. Take subscription services. Getting new stuff for any given series every month for any franchise rarely happens because the writing, filming and editing takes time. Same with games.
I think what people really want with content is for the content they do produce to be done in a way that can be played long term like Field Operations, rather than completing it once and being done with it. Mechanic randomness plays into that as well.