The phrase "a certain viewpoint and" is correct and usable in written English.
It can be used when discussing perspectives or opinions in a broader context, often leading to further elaboration or comparison.
Example: "In the debate about climate change, a certain viewpoint and its implications must be carefully considered."
Alternatives: "a specific perspective and" or "a particular opinion and".
This is similar to the Russian "dezinformatsiya" or "disinformation," a previously analog form of propaganda technique that now involves aiming an army of trolls at sites to press a certain viewpoint and mute all others.
Through expressing one's feelings and opinions, one can build a particular kind of relationship with the reader/hearer by confirming solidarity with their views or by leading or persuading them towards a certain viewpoint and by fine-tuning the level of certainty in statements.
You might also use it in a psychology paper to discuss how people arrive at a certain viewpoint and how that viewpoint influences people.
"Designers have a certain viewpoint on the world and how it should look as an ideal place," Mr. Li said.
This should be a warning that it isn't just the U.S. that is the target of coordinated disinformation campaigns online — wherever one country has something to gain by promoting a certain viewpoint or narrative, you will find propaganda and other efforts underway via whatever platforms are available.
"While some wish to separate church and state and ban prayer, others wish to ban a certain viewpoint that, for the record, I too find repulsive," he said.
So maybe the antivaxxers are offended by the use of media targeted at children to persuade them of a certain viewpoint?
"Often," he says, "I think part of our job is not to convince people of a certain viewpoint about America but to leave them less certain about us than when they started.
Whatever one thinks of Press TV's output, it expressed a certain viewpoint that it is important for us to have access to, even if we find it at times repugnant.
