Sultan Qaboos isn't great for what he is , but he is a great leader to all for his reformist approach.
I feel sorry for those of whom they accuse him of being a tyrant because of the bloodless coup, Qaboos had turned Oman from coal to diamond over the last two decades. He opened Oman to the international market, develop Oman's infrastructure, sought a greater relations with Oman's next door friends, and boosted up Oman's economy.
Regarding the Peninsula Armor Shield, no body operates your equipments than Oman's military, but Oman spends too much money on its military, your armed forces are as strong as Bahrain and Qatar combined.
You've only seen them in Bharain, hold your breath, the RSF has over 200k..