America and the west sell weapons to the world.
This fuels the infamous military industrial complex.
The military companies are owned by massive conglomerates like Blackrock and Vanguard.
Who also own the media companies, and have politicians in their pockets on all sides of the political spectrum.

So media outlets repeatedly ignore when western companies or governments sell weapons to the world, but draw attention to other countries doing so.
Mainly due to them being competition to the western arms companies.