This shows your extremely limited understanding of the issue. Draw map of entire world, list trading partners of Pakistan. Then ponder upon if a single country would trade with pakistan if Pakistan implement Non-interest Banking and trading system.
Islam need reform, You can't control, deal or comprehend this century issues with Islamic laws only. We need laws build upon Islamic laws which deals with What IF scenarios. A great example is of Rape cases. You can't deal it with Islamic laws exclusively. We have to include other laws which precedes it, in case Islamic law fail to provide answer. Be flexible, Not rigid. This is what La Ikrah fid din means, there is no compulsion in ISLAM
Take example of Hazrat Umar (RA) era, He suspended Islamic laws of cutting hands of thief during the great famine in Madina .