The reviews suggest that Thomas excels at building effective customer success and onboarding systems, drawing on prior consulting experience to create practical frameworks. He is credited with playing a significant role in transforming customer success at his company. His approach is appreciated for being lean and unpretentious. However, some reviews indicate a potential concern regarding the rigidity of the processes he implements. While effective within their intended domain, these processes may be perceived as overly prescriptive and constraining, particularly for those outside of the implementation track. There's also a suggestion that his preference for careful system-building may sometimes conflict with the company's desire for rapid growth.