“I was surprised by the preference for in-person care given how comfortable many youth are with technology-based communication,” Sequeira said. “We are currently conducting a follow-up study to this one, which I’m hopingit will help us better understand the reasons for these preferences.”

Even patients themselves want a higher standard of care than what they're being offered by the 'hormones-on-demand' model. I don't see how you can possibly assess a person's physical suitability over the phone.

Also, that linked article at the bottom of the page:

Erythrocytosis present in 11% of transgender men receiving testosterone therapy