The tension between frequency and quality is an old one, but the real question is whether your boss is measuring the wrong metric. Publishing one article a day isn't spamming - it's just a cadence. News sites do it every hour, because the value of their content decays fast. That's the analogy: think of a newspaper versus a magazine. The newspaper drops daily, but each piece is timely, the magazine curates deeper insights monthly.
If you run a news-style section explaining current events, you're essentially building topical authority around breaking narratives. Provided you're adding genuine analysis or a unique angle, search engines tend to reward that freshness. The risk isn't from volume - it's from thin, repackaged PR fluff. In my experience, the real killer for ranking is when the content lacks a clear purpose or strays from your core topic clusters.
Your boss's method might be wrong if it ignores the difference between frequency that serves a strategy and frequency that just fills a calendar. A single daily post can absolutely work, as long as each piece has a reason to exist. If you can frame it as "what would a newsroom do?" rather than "how do we pump out content?", you might shift the conversation.