First, the same problem applies to service names like "Galactus" or "Buttforce". Second, a descriptive name is not the same thing as a service description. A descriptive name or label is as much a mnemonic device as is is a name. They're intended to be easier to remember, not to replace proper documentation. Third, just from the names it looks like Text Service is the front end for an ecosystem of texting related services, reach of which is implemented using a different technology. Though twilio and telephony look like especially bad names for services behind a texting service.