Nah, you're not. I did my first research paper in college on the origins of Radical Islamism and my second between the Hashemites and Al Saud over the Hijaz in the 1920s. Although I hate to insult a fellow student of Islamic history, you...kind of got it seriously wrong here >>10865226
Wahhabism originates in the 1700s from Abdul (?) Wahhab, a Central Arabian born Islamic student or whatever the fuck the term is for someone who studies the Quran, part of the Ulema basically. He was infuriated by what he saw in Mecca (which until Ibn Saud took over in the 1900s, was widely condemned by most of the Islamic world as a den of decadence and un-Islamic morals, ironicall enough) and Arabia, which was people starting to turn to saintly figures and pilgrimages to holy men's tombs. He joined his religious rabble rousing with a scion of the Al Sauds' military mighty. This allowed them to grow in power in Arabia until it threatened the Ottoman Empire (Which, as the Caliphate, was a target of the Wahhabist's fanaticism), which sicced the Egyptian Mamluks on them. THey were annihilated in the early 19th century, but would bubble and eventually resurface under the young Ibn Saud in the early 20th century.
You're mixing up Wahhab with Sayid Qutb, the contemporary Egyptian guy who was the father of modern radicalism, and was imprisoned first by the Egyptian Monarchy (which was patsies of the British) and then executed by Nasser. I'm less smart on what he did, except that he would have established in a modern conception the ideas of the lesser jihad and rebelling against Westernization. I imagine he also set forth the concept of jihad against an Un-islamic government - which would have been the Egyptian Monarchy & Nasser.
Wahhabism isn't the origin of radical Islamism anyway. Stupid people point to the Nizari (Hashashin), but they weren't exceptionally Islamist, just terrorists in the fact that they did use terror successfully.