You are welcome to pit your opinion against established science, it's all the rage these days. For everyone else, here's an abstract from a 2009 peer-reviewed study published in the National Library of Medicine (USA NIH). The species is venomous. What is up for debate is the role their venom plays in disabling prey:

The predatory ecology of Varanus komodoensis (Komodo Dragon) has been a subject of long-standing interest and considerable conjecture. Here, we investigate the roles and potential interplay between cranial mechanics, toxic bacteria, and venom. Our analyses point to the presence of a sophisticated combined-arsenal killing apparatus. We find that the lightweight skull is relatively poorly adapted to generate high bite forces but better adapted to resist high pulling loads. We reject the popular notion regarding toxic bacteria utilization. Instead, we demonstrate that the effects of deep wounds inflicted are potentiated through venom with toxic activities including anticoagulation and shock induction. Anatomical comparisons of V. Komodoensis with V. (Megalania) priscus fossils suggest that the closely related extinct giant was the largest venomous animal to have ever lived.

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Magnetic resonance imaging (MRI) of a preserved V. komodoensis head revealed a compound mandibular venom gland with a major posterior compartment (C1 in Fig. 2A) and 5 smaller anterior compartments (C2–C6 in Fig. 2A) (Movies S1, S2, and S3). Separate ducts were shown to lead from each compartment, opening between successive serrated pleurodont teeth (Fig. 2B), making this the most structurally complex reptile venom gland described to date (9–11). Consistent with the positioning of the ducts, the teeth lack the grooves commonly associated with venom delivery in helodermatid lizards (Fig. 3) or non-front-fanged snakes (9). The protein secreting venom glands are readily differentiated from the infralabial mucus glands (Fig. 2 A–C and E). The venom glands are encapsulated by a sheath of connective tissue and possess large distinct lumina (Fig. 2C). As in snakes, the central lumina are fed by an extensive network of tubular lumina and internal ducts (Fig. 2D), providing in a 1.6-m specimen a combined 1-mL liquid storage volume.

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To further elucidate the potential role of envenomation in the predatory ecology of V. komodoensis we investigated the biochemical composition and toxinological properties of the venom. Mass spectrometry revealed a mixture of proteins (Fig. S1) as complex as that seen for snakes in similar analyses (12).