We cant just say we need imaan and neglect any worldly plans, they need to be developed in tandom inshAllah. Did the prophet SAW sit back and say lets just pray 5 times a day and Allah will grant victory and protect madinah? he dug trenches, built armies, prepared his troops, he said archery is stregnth, he would deceive his enemies by giving our false info, he made a peace treaty with quraish and the jews, he made practical plans aswell as reliance on Allah and we should do the same inshAllah, its just a question of what are the most realistic short term steps we can take