Of course CTC will advertise the course as potentially leading to an airline placement - flying training is their business. It's down to the customer to weigh up the realistic prospects of anything materialising from it. However, history suggests that unless you've completed CTC take off then you won't be getting a placement any time soon.
It's no different to any other company selling something with marketing hype. It's down to people to assess the chances themselves…
Potential placement with a CTC Partner airline*
*Available to those completing the full time Integrated or Modular CPL/MEIR Routes only
The above is taken from the CTC website.