The use of fear and economic threats to suppress truth

وَقَالَ ٱلْمَلَأُ ٱلَّذِينَ كَفَرُوا۟ مِن قَوْمِهِۦ لَئِنِ ٱتَّبَعْتُمْ شُعَيْبًا إِنَّكُمْ إِذًا لَّخَـٰسِرُونَ

Said the eminent ones who disbelieved among his people, "If you should follow Shuʿayb, indeed, you would then be losers."