Statistically - aka big picture - you are wrong. I could argue the same way - Somali is/was presidential. DR Congo is/was presidential. Burundi is/was presidential. Syria is/was presidential. Lybia is/was presidential. Aghanistan is/was presidential. Venezuela is presidential. North Korea is presidential. You can't cherry-pick failed states and blame it on a system without looking at the statistics. What if Brexit is a stretch? How about the booming economy and the centuries of success? The UK is the 5th largest economy globally so you cannot point out 1% of the country and lambast parliamentary.
OVERALL - parliamentary is a good system because it ensures equity and inclusion - because grievances and divisions are the source of most political problems. Accountability - matters are debated adequately and openly without the managers masquerading as deities or hiding at State House. Separation of power - the practice of a sovereign - queen, emperor or president - holding ceremonial instruments and residual powers of the state - both absolves and rids the elected government from abusing them or getting entrenched. It is a panacea for impunity. In Israel, you see - Bibi Netanyahu tries to form a government with a hang parliament - and when he fails he "returns the mandate" to the president. He does not get to change the law or intimidate judges and the opposition like Uhuru. He has no such authority because there is a bigger un-elected power than himself.
Parliamentary solves the presidential impunity you Tangatanga lot are whining about.
Obviously I don't buy your story that silly Europeans, Japanese, Canadians or Aussies have the parliamentary yoke hoisted upon them. By who - America? What a punishment!
Lets disagree on merits of Parliamentary System. Even the UK is on the verge of splitting because of this Parliamentary System. And don't even mention Brexit in relation to Parliamentary system. It has been turned into chaotic shambles because of Parliamentary system. It has become damn expensive and protracted because of this system. Indeed, if UK was as ethnically diverse an African country the whole country would be at civil war.
Germany was conquered and parliamentary system imposed on them so as to keep check on them. It's still an American occupied territory. Apartheid Israel is even constitutionally declared a monolithic Jewish State and yet they have difficulties forming governments. US imposed parliamentary system in Iraq (a more ethnically diverse nation) to keep it chaotic. It will spend the next 100yrs before they decide Presidential would be more uniting. Australia, NZ and Canada exterminated local inhabitants and made those countries almost mono ethnic.
If US had a Parliamentary system, they would be sacking their leader every two months especially given the power of lobbies of all sorts. Money would be dictating more than it does at the moment.
