When you force ALL your local TV stations to carry content by an single organization (must runs), that IS propaganda.

"Viral video raises worry over Sinclair’s political messaging inside local news" PBS NewsHour 4/2/2018

Excerpt

SUMMARY:  A viral video compilation of local TV anchors is raising new concerns about the way Sinclair Broadcast Group mixes news with conservative, partisan political opinion.  And while it already reaches over a third of homes across the nation, the country's largest owner of local TV stations is hoping to get bigger.  William Brangham reports.