Shared ground
The passage presents Saul acting as Israel’s king by creating a small, ready fighting force and placing it at strategic locations (Michmash/Bethel area with Saul; Gibeah with Jonathan). That setup fits a situation where most people still live at home and only a limited number stay on active duty.
The trigger for the wider conflict is Jonathan’s strike on a Philistine garrison at Geba. After that, “hearing” becomes a repeated theme: the Philistines hear, Saul makes a trumpet announcement so “the Hebrews” hear, and then “all Israel” hears a report. The result is escalation: Israel becomes offensive to the Philistines, and the people assemble to Saul at Gilgal.
Where interpretation differs
Some readers think Saul is wrongly taking credit for Jonathan’s attack (“Saul had struck the garrison”), while others think the report simply treats Saul as the responsible king whose forces acted under his leadership.
There is also uncertainty about the phrase “Let the Hebrews hear.” Some take it as Saul’s own public call to his people using a familiar self-name; others think it reflects how outsiders (like Philistines) labeled Israelites, and the narrative preserves that wording.
Finally, “Israel was had in abomination with the Philistines” can be read as emotional hatred (“they were detested”) or as a political/military shift (“Israel became a stench / an enemy to them”), emphasizing the new state of open hostility.
Why the disagreement exists
The disagreements come from (1) verse 4 summarizing events in a way that can blur whether Saul or Jonathan is being highlighted, (2) the social nuance of ethnic labels like “Hebrews,” and (3) the flexibility of idioms about being “in abomination,” which can describe feelings, status, or relations.
What this passage clearly contributes
Explicitly, it shows early monarchy moving from ceremony to command: Saul selects troops, positions them, and uses a trumpet signal to mobilize the wider population. It also shows how quickly a single strike on a garrison can change the political situation—an action is taken, news spreads, and the nation is forced into a larger muster at Gilgal. Even before later developments in the chapter, the narrative highlights that leadership includes organization and messaging as much as battlefield action (1 Samuel 13:1–4).