Logic would say: Check what those who have the experience, the staff to do evaluation and extensive testing, and have the financial wherewith all to buy the very best, are using.
I may be wrong but I know of no major chain using CTX, Q Matic, Rotoflex, etc. The top chains are using the BOFI- XLT and Middleby Marshall ovens. There are several second tier chains using Lincoln ovens.
You ask why Domino’s and I would note Little Caesar’s and many others are switching to BOFI- XLT ovens.
Performance, After extensive testing those companies determined that XLT ovens met or exceeded the performance of the ovens they were using. Warranty, 2 years rather than one. Cleaning, fifteen minutes as opposed to two hours. Electrical requirements, 120 volt- rather than 220 volt, cuts electrical cost in half, Parts 1/3 the cost, Electrical fuses, all out where operator can replaces for 50 cents rather than an expensive service call. Smaller gas lines required. No lubrication required, No fan belts to break. Many other advanced features And substantially lower cost to buy.