Why is al-Nisāʾ 4:14 not simply applied to every offense alike?

Intercession for Major Sinners and the Non-Eternity of Sinful Believers in Hell

• Disobedience always means the same degree of unbelief
• Its general wording alone is sufficient without other texts
• Practical transgression and doctrinal rejection cannot be distinguished
• Doctrinal rejection and practical disobedience differ, with other texts relevant