I can definitely see some of that, admittedly. If there was a weak point in the T-Mobile offering from the perspective of the end user, it would be the various

I can definitely see some of that, admittedly. If there was a weak point in the T-Mobile offering from the perspective of the end user, it would be the various billing interfaces. They struggle to load sometimes and the company's app offerings (particularly on iOS) are surprisingly bad considering the fact that, y'know, T-Mobile is a company that specializes in mobile communications. I think that the company's comeback has largely been driven by innovative marketing and smart business offerings, rather than the technology itself.